Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | FUSE: Filesystem in Userspace |
Miklos Szeredi | 611ad93 | 2007-04-25 16:19:15 +0000 | [diff] [blame] | 3 | Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 4 | |
Miklos Szeredi | 8b39a9f | 2002-10-25 12:41:16 +0000 | [diff] [blame] | 5 | This program can be distributed under the terms of the GNU LGPL. |
| 6 | See the file COPYING.LIB |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 9 | |
| 10 | /* For pthread_rwlock_t */ |
| 11 | #define _GNU_SOURCE |
| 12 | |
Miklos Szeredi | 178451d | 2005-08-15 13:19:07 +0000 | [diff] [blame] | 13 | #include "fuse_i.h" |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 14 | #include "fuse_lowlevel.h" |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 15 | #include "fuse_opt.h" |
Miklos Szeredi | 38f152c | 2006-09-03 18:28:52 +0000 | [diff] [blame] | 16 | #include "fuse_misc.h" |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 17 | #include "fuse_common_compat.h" |
| 18 | #include "fuse_compat.h" |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 19 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 20 | #include <stdio.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 21 | #include <string.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 22 | #include <stdlib.h> |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 23 | #include <stddef.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 24 | #include <unistd.h> |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 25 | #include <time.h> |
Miklos Szeredi | b3f9972 | 2005-11-16 13:00:24 +0000 | [diff] [blame] | 26 | #include <fcntl.h> |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 27 | #include <limits.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 28 | #include <errno.h> |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 29 | #include <signal.h> |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 30 | #include <dlfcn.h> |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 31 | #include <assert.h> |
Miklos Szeredi | 019b4e9 | 2001-12-26 18:08:09 +0000 | [diff] [blame] | 32 | #include <sys/param.h> |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 33 | #include <sys/uio.h> |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 34 | #include <sys/time.h> |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 35 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 36 | #define FUSE_MAX_PATH 4096 |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 37 | #define FUSE_DEFAULT_INTR_SIGNAL SIGUSR1 |
Miklos Szeredi | 30e093a | 2005-04-03 17:44:54 +0000 | [diff] [blame] | 38 | |
Miklos Szeredi | e248e4b | 2005-12-14 16:18:32 +0000 | [diff] [blame] | 39 | #define FUSE_UNKNOWN_INO 0xffffffff |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 40 | #define OFFSET_MAX 0x7fffffffffffffffLL |
Miklos Szeredi | e248e4b | 2005-12-14 16:18:32 +0000 | [diff] [blame] | 41 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 42 | struct fuse_config { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 43 | unsigned int uid; |
| 44 | unsigned int gid; |
| 45 | unsigned int umask; |
| 46 | double entry_timeout; |
| 47 | double negative_timeout; |
| 48 | double attr_timeout; |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 49 | double ac_attr_timeout; |
| 50 | int ac_attr_timeout_set; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 51 | int debug; |
| 52 | int hard_remove; |
| 53 | int use_ino; |
| 54 | int readdir_ino; |
| 55 | int set_mode; |
| 56 | int set_uid; |
| 57 | int set_gid; |
| 58 | int direct_io; |
| 59 | int kernel_cache; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 60 | int auto_cache; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 61 | int intr; |
| 62 | int intr_signal; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 63 | int help; |
| 64 | char *modules; |
| 65 | }; |
| 66 | |
| 67 | struct fuse_fs { |
| 68 | struct fuse_operations op; |
| 69 | struct fuse_module *m; |
| 70 | void *user_data; |
| 71 | int compat; |
| 72 | }; |
| 73 | |
| 74 | struct fusemod_so { |
| 75 | void *handle; |
| 76 | int ctr; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 77 | }; |
| 78 | |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 79 | struct fuse { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 80 | struct fuse_session *se; |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 81 | struct node **name_table; |
| 82 | size_t name_table_size; |
| 83 | struct node **id_table; |
| 84 | size_t id_table_size; |
| 85 | fuse_ino_t ctr; |
| 86 | unsigned int generation; |
| 87 | unsigned int hidectr; |
| 88 | pthread_mutex_t lock; |
| 89 | pthread_rwlock_t tree_lock; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 90 | struct fuse_config conf; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 91 | int intr_installed; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 92 | struct fuse_fs *fs; |
Miklos Szeredi | e2aa2e2 | 2005-07-15 13:31:36 +0000 | [diff] [blame] | 93 | }; |
| 94 | |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 95 | struct lock { |
| 96 | int type; |
| 97 | off_t start; |
| 98 | off_t end; |
| 99 | pid_t pid; |
| 100 | uint64_t owner; |
| 101 | struct lock *next; |
| 102 | }; |
| 103 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 104 | struct node { |
| 105 | struct node *name_next; |
| 106 | struct node *id_next; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 107 | fuse_ino_t nodeid; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 108 | unsigned int generation; |
| 109 | int refctr; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 110 | fuse_ino_t parent; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 111 | char *name; |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 112 | uint64_t nlookup; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 113 | int open_count; |
| 114 | int is_hidden; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 115 | struct timespec stat_updated; |
| 116 | struct timespec mtime; |
| 117 | off_t size; |
| 118 | int cache_valid; |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 119 | struct lock *locks; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 120 | }; |
| 121 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 122 | struct fuse_dh { |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 123 | pthread_mutex_t lock; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 124 | struct fuse *fuse; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 125 | fuse_req_t req; |
Miklos Szeredi | 1b18802 | 2005-07-28 11:07:29 +0000 | [diff] [blame] | 126 | char *contents; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 127 | int allocated; |
Miklos Szeredi | b92d978 | 2005-02-07 16:10:49 +0000 | [diff] [blame] | 128 | unsigned len; |
Miklos Szeredi | c4c12ae | 2005-10-20 14:48:50 +0000 | [diff] [blame] | 129 | unsigned size; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 130 | unsigned needlen; |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 131 | int filled; |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 132 | uint64_t fh; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 133 | int error; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 134 | fuse_ino_t nodeid; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 135 | }; |
| 136 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 137 | /* old dir handle */ |
| 138 | struct fuse_dirhandle { |
| 139 | fuse_fill_dir_t filler; |
| 140 | void *buf; |
| 141 | }; |
| 142 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 143 | struct fuse_context_i { |
| 144 | struct fuse_context ctx; |
| 145 | fuse_req_t req; |
| 146 | }; |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 147 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 148 | static pthread_key_t fuse_context_key; |
| 149 | static pthread_mutex_t fuse_context_lock = PTHREAD_MUTEX_INITIALIZER; |
| 150 | static int fuse_context_ref; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 151 | static struct fusemod_so *fuse_current_so; |
| 152 | static struct fuse_module *fuse_modules; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 153 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 154 | static int fuse_load_so_name(const char *soname) |
| 155 | { |
| 156 | struct fusemod_so *so; |
| 157 | |
| 158 | so = calloc(1, sizeof(struct fusemod_so)); |
| 159 | if (!so) { |
| 160 | fprintf(stderr, "fuse: memory allocation failed\n"); |
| 161 | return -1; |
| 162 | } |
| 163 | |
| 164 | pthread_mutex_lock(&fuse_context_lock); |
| 165 | fuse_current_so = so; |
| 166 | so->handle = dlopen(soname, RTLD_NOW); |
| 167 | fuse_current_so = NULL; |
| 168 | pthread_mutex_unlock(&fuse_context_lock); |
| 169 | if (!so->handle) { |
| 170 | fprintf(stderr, "fuse: %s\n", dlerror()); |
| 171 | goto err; |
| 172 | } |
| 173 | if (!so->ctr) { |
| 174 | fprintf(stderr, "fuse: %s did not register any modules", soname); |
| 175 | goto err; |
| 176 | } |
| 177 | return 0; |
| 178 | |
| 179 | err: |
| 180 | if (so->handle) |
| 181 | dlclose(so->handle); |
| 182 | free(so); |
| 183 | return -1; |
| 184 | } |
| 185 | |
| 186 | static int fuse_load_so_module(const char *module) |
| 187 | { |
| 188 | int res; |
| 189 | char *soname = malloc(strlen(module) + 64); |
| 190 | if (!soname) { |
| 191 | fprintf(stderr, "fuse: memory allocation failed\n"); |
| 192 | return -1; |
| 193 | } |
| 194 | if (soname) |
| 195 | sprintf(soname, "libfusemod_%s.so", module); |
| 196 | |
| 197 | res = fuse_load_so_name(soname); |
| 198 | free(soname); |
| 199 | return res; |
| 200 | } |
| 201 | |
| 202 | static struct fuse_module *fuse_find_module(const char *module) |
| 203 | { |
| 204 | struct fuse_module *m; |
| 205 | for (m = fuse_modules; m; m = m->next) { |
| 206 | if (strcmp(module, m->name) == 0) { |
| 207 | m->ctr++; |
| 208 | break; |
| 209 | } |
| 210 | } |
| 211 | return m; |
| 212 | } |
| 213 | |
| 214 | static struct fuse_module *fuse_get_module(const char *module) |
| 215 | { |
| 216 | struct fuse_module *m; |
| 217 | |
| 218 | pthread_mutex_lock(&fuse_context_lock); |
| 219 | m = fuse_find_module(module); |
| 220 | if (!m) { |
| 221 | int err = fuse_load_so_module(module); |
| 222 | if (!err) |
| 223 | m = fuse_find_module(module); |
| 224 | } |
| 225 | pthread_mutex_unlock(&fuse_context_lock); |
| 226 | return m; |
| 227 | } |
| 228 | |
| 229 | static void fuse_put_module(struct fuse_module *m) |
| 230 | { |
| 231 | pthread_mutex_lock(&fuse_context_lock); |
| 232 | assert(m->ctr > 0); |
| 233 | m->ctr--; |
| 234 | if (!m->ctr && m->so) { |
| 235 | struct fusemod_so *so = m->so; |
| 236 | assert(so->ctr > 0); |
| 237 | so->ctr--; |
| 238 | if (!so->ctr) { |
| 239 | struct fuse_module **mp; |
| 240 | for (mp = &fuse_modules; *mp;) { |
| 241 | if ((*mp)->so == so) |
| 242 | *mp = (*mp)->next; |
| 243 | else |
| 244 | mp = &(*mp)->next; |
| 245 | } |
| 246 | dlclose(so->handle); |
| 247 | free(so); |
| 248 | } |
| 249 | } |
| 250 | pthread_mutex_unlock(&fuse_context_lock); |
| 251 | } |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 252 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 253 | static struct node *get_node_nocheck(struct fuse *f, fuse_ino_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 254 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 255 | size_t hash = nodeid % f->id_table_size; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 256 | struct node *node; |
| 257 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 258 | for (node = f->id_table[hash]; node != NULL; node = node->id_next) |
| 259 | if (node->nodeid == nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 260 | return node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 261 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 262 | return NULL; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 265 | static struct node *get_node(struct fuse *f, fuse_ino_t nodeid) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 266 | { |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 267 | struct node *node = get_node_nocheck(f, nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 268 | if (!node) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 269 | fprintf(stderr, "fuse internal error: node %llu not found\n", |
| 270 | (unsigned long long) nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 271 | abort(); |
| 272 | } |
| 273 | return node; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 274 | } |
| 275 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 276 | static void free_node(struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 277 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 278 | free(node->name); |
| 279 | free(node); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 280 | } |
| 281 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 282 | static void unhash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 283 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 284 | size_t hash = node->nodeid % f->id_table_size; |
| 285 | struct node **nodep = &f->id_table[hash]; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 286 | |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 287 | for (; *nodep != NULL; nodep = &(*nodep)->id_next) |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 288 | if (*nodep == node) { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 289 | *nodep = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 290 | return; |
| 291 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 292 | } |
| 293 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 294 | static void hash_id(struct fuse *f, struct node *node) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 295 | { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 296 | size_t hash = node->nodeid % f->id_table_size; |
| 297 | node->id_next = f->id_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 298 | f->id_table[hash] = node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 299 | } |
| 300 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 301 | static unsigned int name_hash(struct fuse *f, fuse_ino_t parent, |
| 302 | const char *name) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 303 | { |
| 304 | unsigned int hash = *name; |
| 305 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 306 | if (hash) |
| 307 | for (name += 1; *name != '\0'; name++) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 308 | hash = (hash << 5) - hash + *name; |
| 309 | |
| 310 | return (hash + parent) % f->name_table_size; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 311 | } |
| 312 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 313 | static void unref_node(struct fuse *f, struct node *node); |
| 314 | |
| 315 | static void unhash_name(struct fuse *f, struct node *node) |
| 316 | { |
| 317 | if (node->name) { |
| 318 | size_t hash = name_hash(f, node->parent, node->name); |
| 319 | struct node **nodep = &f->name_table[hash]; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 320 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 321 | for (; *nodep != NULL; nodep = &(*nodep)->name_next) |
| 322 | if (*nodep == node) { |
| 323 | *nodep = node->name_next; |
| 324 | node->name_next = NULL; |
| 325 | unref_node(f, get_node(f, node->parent)); |
| 326 | free(node->name); |
| 327 | node->name = NULL; |
| 328 | node->parent = 0; |
| 329 | return; |
| 330 | } |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 331 | fprintf(stderr, "fuse internal error: unable to unhash node: %llu\n", |
| 332 | (unsigned long long) node->nodeid); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 333 | abort(); |
| 334 | } |
| 335 | } |
| 336 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 337 | static int hash_name(struct fuse *f, struct node *node, fuse_ino_t parent, |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 338 | const char *name) |
| 339 | { |
| 340 | size_t hash = name_hash(f, parent, name); |
| 341 | node->name = strdup(name); |
| 342 | if (node->name == NULL) |
| 343 | return -1; |
| 344 | |
| 345 | get_node(f, parent)->refctr ++; |
| 346 | node->parent = parent; |
| 347 | node->name_next = f->name_table[hash]; |
| 348 | f->name_table[hash] = node; |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | static void delete_node(struct fuse *f, struct node *node) |
| 353 | { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 354 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 355 | printf("delete: %llu\n", (unsigned long long) node->nodeid); |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 356 | fflush(stdout); |
| 357 | } |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 358 | assert(!node->name); |
| 359 | unhash_id(f, node); |
| 360 | free_node(node); |
| 361 | } |
| 362 | |
| 363 | static void unref_node(struct fuse *f, struct node *node) |
| 364 | { |
| 365 | assert(node->refctr > 0); |
| 366 | node->refctr --; |
| 367 | if (!node->refctr) |
| 368 | delete_node(f, node); |
| 369 | } |
| 370 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 371 | static fuse_ino_t next_id(struct fuse *f) |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 372 | { |
| 373 | do { |
Miklos Szeredi | 7e7fa1f | 2006-10-08 15:41:20 +0000 | [diff] [blame] | 374 | f->ctr = (f->ctr + 1) & 0xffffffff; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 375 | if (!f->ctr) |
| 376 | f->generation ++; |
Miklos Szeredi | 7e7fa1f | 2006-10-08 15:41:20 +0000 | [diff] [blame] | 377 | } while (f->ctr == 0 || f->ctr == FUSE_UNKNOWN_INO || |
| 378 | get_node_nocheck(f, f->ctr) != NULL); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 379 | return f->ctr; |
| 380 | } |
| 381 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 382 | static struct node *lookup_node(struct fuse *f, fuse_ino_t parent, |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 383 | const char *name) |
| 384 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 385 | size_t hash = name_hash(f, parent, name); |
| 386 | struct node *node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 387 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 388 | for (node = f->name_table[hash]; node != NULL; node = node->name_next) |
| 389 | if (node->parent == parent && strcmp(node->name, name) == 0) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 390 | return node; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 391 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 392 | return NULL; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 393 | } |
| 394 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 395 | static struct node *find_node(struct fuse *f, fuse_ino_t parent, |
| 396 | const char *name) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 397 | { |
| 398 | struct node *node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 399 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 400 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 401 | node = lookup_node(f, parent, name); |
Miklos Szeredi | e331c4b | 2005-07-06 13:34:02 +0000 | [diff] [blame] | 402 | if (node == NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 403 | node = (struct node *) calloc(1, sizeof(struct node)); |
| 404 | if (node == NULL) |
| 405 | goto out_err; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 406 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 407 | node->refctr = 1; |
| 408 | node->nodeid = next_id(f); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 409 | node->open_count = 0; |
| 410 | node->is_hidden = 0; |
| 411 | node->generation = f->generation; |
| 412 | if (hash_name(f, node, parent, name) == -1) { |
| 413 | free(node); |
| 414 | node = NULL; |
| 415 | goto out_err; |
| 416 | } |
| 417 | hash_id(f, node); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 418 | } |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 419 | node->nlookup ++; |
Miklos Szeredi | c230991 | 2004-09-21 13:40:38 +0000 | [diff] [blame] | 420 | out_err: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 421 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 422 | return node; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 423 | } |
| 424 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 425 | static char *add_name(char *buf, char *s, const char *name) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 426 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 427 | size_t len = strlen(name); |
| 428 | s -= len; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 429 | if (s <= buf) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 430 | fprintf(stderr, "fuse: path too long: ...%s\n", s + len); |
| 431 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 432 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 433 | strncpy(s, name, len); |
| 434 | s--; |
| 435 | *s = '/'; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 436 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 437 | return s; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 438 | } |
| 439 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 440 | static char *get_path_name(struct fuse *f, fuse_ino_t nodeid, const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 441 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 442 | char buf[FUSE_MAX_PATH]; |
| 443 | char *s = buf + FUSE_MAX_PATH - 1; |
| 444 | struct node *node; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 445 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 446 | *s = '\0'; |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 447 | |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 448 | if (name != NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 449 | s = add_name(buf, s, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 450 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 451 | return NULL; |
| 452 | } |
| 453 | |
| 454 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 455 | for (node = get_node(f, nodeid); node && node->nodeid != FUSE_ROOT_ID; |
| 456 | node = get_node(f, node->parent)) { |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 457 | if (node->name == NULL) { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 458 | s = NULL; |
| 459 | break; |
| 460 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 461 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 462 | s = add_name(buf, s, node->name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 463 | if (s == NULL) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 464 | break; |
| 465 | } |
| 466 | pthread_mutex_unlock(&f->lock); |
| 467 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 468 | if (node == NULL || s == NULL) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 469 | return NULL; |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 470 | else if (*s == '\0') |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 471 | return strdup("/"); |
| 472 | else |
| 473 | return strdup(s); |
| 474 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 475 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 476 | static char *get_path(struct fuse *f, fuse_ino_t nodeid) |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 477 | { |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 478 | return get_path_name(f, nodeid, NULL); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 479 | } |
| 480 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 481 | static void forget_node(struct fuse *f, fuse_ino_t nodeid, uint64_t nlookup) |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 482 | { |
| 483 | struct node *node; |
| 484 | if (nodeid == FUSE_ROOT_ID) |
| 485 | return; |
| 486 | pthread_mutex_lock(&f->lock); |
| 487 | node = get_node(f, nodeid); |
| 488 | assert(node->nlookup >= nlookup); |
| 489 | node->nlookup -= nlookup; |
| 490 | if (!node->nlookup) { |
| 491 | unhash_name(f, node); |
| 492 | unref_node(f, node); |
| 493 | } |
| 494 | pthread_mutex_unlock(&f->lock); |
| 495 | } |
| 496 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 497 | static void remove_node(struct fuse *f, fuse_ino_t dir, const char *name) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 498 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 499 | struct node *node; |
| 500 | |
| 501 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 502 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 503 | if (node != NULL) |
| 504 | unhash_name(f, node); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 505 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 506 | } |
| 507 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 508 | static int rename_node(struct fuse *f, fuse_ino_t olddir, const char *oldname, |
| 509 | fuse_ino_t newdir, const char *newname, int hide) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 510 | { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 511 | struct node *node; |
| 512 | struct node *newnode; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 513 | int err = 0; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 514 | |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 515 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 516 | node = lookup_node(f, olddir, oldname); |
| 517 | newnode = lookup_node(f, newdir, newname); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 518 | if (node == NULL) |
| 519 | goto out; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 520 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 521 | if (newnode != NULL) { |
| 522 | if (hide) { |
| 523 | fprintf(stderr, "fuse: hidden file got created during hiding\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 524 | err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 525 | goto out; |
| 526 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 527 | unhash_name(f, newnode); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 528 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 529 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 530 | unhash_name(f, node); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 531 | if (hash_name(f, node, newdir, newname) == -1) { |
| 532 | err = -ENOMEM; |
| 533 | goto out; |
| 534 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 535 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 536 | if (hide) |
| 537 | node->is_hidden = 1; |
| 538 | |
| 539 | out: |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 540 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 541 | return err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 542 | } |
| 543 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 544 | static void set_stat(struct fuse *f, fuse_ino_t nodeid, struct stat *stbuf) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 545 | { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 546 | if (!f->conf.use_ino) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 547 | stbuf->st_ino = nodeid; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 548 | if (f->conf.set_mode) |
| 549 | stbuf->st_mode = (stbuf->st_mode & S_IFMT) | (0777 & ~f->conf.umask); |
| 550 | if (f->conf.set_uid) |
| 551 | stbuf->st_uid = f->conf.uid; |
| 552 | if (f->conf.set_gid) |
| 553 | stbuf->st_gid = f->conf.gid; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 554 | } |
| 555 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 556 | static struct fuse *req_fuse(fuse_req_t req) |
| 557 | { |
| 558 | return (struct fuse *) fuse_req_userdata(req); |
| 559 | } |
| 560 | |
| 561 | static void fuse_intr_sighandler(int sig) |
| 562 | { |
| 563 | (void) sig; |
| 564 | /* Nothing to do */ |
| 565 | } |
| 566 | |
| 567 | struct fuse_intr_data { |
| 568 | pthread_t id; |
| 569 | pthread_cond_t cond; |
| 570 | int finished; |
| 571 | }; |
| 572 | |
| 573 | static void fuse_interrupt(fuse_req_t req, void *d_) |
| 574 | { |
| 575 | struct fuse_intr_data *d = d_; |
| 576 | struct fuse *f = req_fuse(req); |
| 577 | |
| 578 | if (d->id == pthread_self()) |
| 579 | return; |
| 580 | |
| 581 | pthread_mutex_lock(&f->lock); |
| 582 | while (!d->finished) { |
| 583 | struct timeval now; |
| 584 | struct timespec timeout; |
| 585 | |
| 586 | pthread_kill(d->id, f->conf.intr_signal); |
| 587 | gettimeofday(&now, NULL); |
| 588 | timeout.tv_sec = now.tv_sec + 1; |
| 589 | timeout.tv_nsec = now.tv_usec * 1000; |
| 590 | pthread_cond_timedwait(&d->cond, &f->lock, &timeout); |
| 591 | } |
| 592 | pthread_mutex_unlock(&f->lock); |
| 593 | } |
| 594 | |
| 595 | static void fuse_do_finish_interrupt(struct fuse *f, fuse_req_t req, |
| 596 | struct fuse_intr_data *d) |
| 597 | { |
| 598 | pthread_mutex_lock(&f->lock); |
| 599 | d->finished = 1; |
| 600 | pthread_cond_broadcast(&d->cond); |
| 601 | pthread_mutex_unlock(&f->lock); |
| 602 | fuse_req_interrupt_func(req, NULL, NULL); |
| 603 | pthread_cond_destroy(&d->cond); |
| 604 | } |
| 605 | |
| 606 | static void fuse_do_prepare_interrupt(fuse_req_t req, struct fuse_intr_data *d) |
| 607 | { |
| 608 | d->id = pthread_self(); |
| 609 | pthread_cond_init(&d->cond, NULL); |
| 610 | d->finished = 0; |
| 611 | fuse_req_interrupt_func(req, fuse_interrupt, d); |
| 612 | } |
| 613 | |
| 614 | static inline void fuse_finish_interrupt(struct fuse *f, fuse_req_t req, |
| 615 | struct fuse_intr_data *d) |
| 616 | { |
| 617 | if (f->conf.intr) |
| 618 | fuse_do_finish_interrupt(f, req, d); |
| 619 | } |
| 620 | |
| 621 | static inline void fuse_prepare_interrupt(struct fuse *f, fuse_req_t req, |
| 622 | struct fuse_intr_data *d) |
| 623 | { |
| 624 | if (f->conf.intr) |
| 625 | fuse_do_prepare_interrupt(req, d); |
| 626 | } |
| 627 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 628 | #ifndef __FreeBSD__ |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 629 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 630 | static int fuse_compat_open(struct fuse_fs *fs, const char *path, |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 631 | struct fuse_file_info *fi) |
| 632 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 633 | int err; |
| 634 | if (!fs->compat || fs->compat >= 25) |
| 635 | err = fs->op.open(path, fi); |
| 636 | else if (fs->compat == 22) { |
| 637 | struct fuse_file_info_compat tmp; |
| 638 | memcpy(&tmp, fi, sizeof(tmp)); |
| 639 | err = ((struct fuse_operations_compat22 *) &fs->op)->open(path, &tmp); |
| 640 | memcpy(fi, &tmp, sizeof(tmp)); |
| 641 | fi->fh = tmp.fh; |
| 642 | } else |
| 643 | err = ((struct fuse_operations_compat2 *) &fs->op) |
| 644 | ->open(path, fi->flags); |
| 645 | return err; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 646 | } |
| 647 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 648 | static int fuse_compat_release(struct fuse_fs *fs, const char *path, |
| 649 | struct fuse_file_info *fi) |
| 650 | { |
| 651 | if (!fs->compat || fs->compat >= 22) |
| 652 | return fs->op.release(path, fi); |
| 653 | else |
| 654 | return ((struct fuse_operations_compat2 *) &fs->op) |
| 655 | ->release(path, fi->flags); |
| 656 | } |
| 657 | |
| 658 | static int fuse_compat_opendir(struct fuse_fs *fs, const char *path, |
| 659 | struct fuse_file_info *fi) |
| 660 | { |
| 661 | if (!fs->compat || fs->compat >= 25) |
| 662 | return fs->op.opendir(path, fi); |
| 663 | else { |
| 664 | int err; |
| 665 | struct fuse_file_info_compat tmp; |
| 666 | memcpy(&tmp, fi, sizeof(tmp)); |
| 667 | err = ((struct fuse_operations_compat22 *) &fs->op) |
| 668 | ->opendir(path, &tmp); |
| 669 | memcpy(fi, &tmp, sizeof(tmp)); |
| 670 | fi->fh = tmp.fh; |
| 671 | return err; |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | static void convert_statfs_compat(struct fuse_statfs_compat1 *compatbuf, |
| 676 | struct statvfs *stbuf) |
| 677 | { |
| 678 | stbuf->f_bsize = compatbuf->block_size; |
| 679 | stbuf->f_blocks = compatbuf->blocks; |
| 680 | stbuf->f_bfree = compatbuf->blocks_free; |
| 681 | stbuf->f_bavail = compatbuf->blocks_free; |
| 682 | stbuf->f_files = compatbuf->files; |
| 683 | stbuf->f_ffree = compatbuf->files_free; |
| 684 | stbuf->f_namemax = compatbuf->namelen; |
| 685 | } |
| 686 | |
| 687 | static void convert_statfs_old(struct statfs *oldbuf, struct statvfs *stbuf) |
| 688 | { |
| 689 | stbuf->f_bsize = oldbuf->f_bsize; |
| 690 | stbuf->f_blocks = oldbuf->f_blocks; |
| 691 | stbuf->f_bfree = oldbuf->f_bfree; |
| 692 | stbuf->f_bavail = oldbuf->f_bavail; |
| 693 | stbuf->f_files = oldbuf->f_files; |
| 694 | stbuf->f_ffree = oldbuf->f_ffree; |
| 695 | stbuf->f_namemax = oldbuf->f_namelen; |
| 696 | } |
| 697 | |
| 698 | static int fuse_compat_statfs(struct fuse_fs *fs, const char *path, |
| 699 | struct statvfs *buf) |
| 700 | { |
| 701 | int err; |
| 702 | |
| 703 | if (!fs->compat || fs->compat >= 25) { |
| 704 | err = fs->op.statfs(fs->compat == 25 ? "/" : path, buf); |
| 705 | } else if (fs->compat > 11) { |
| 706 | struct statfs oldbuf; |
| 707 | err = ((struct fuse_operations_compat22 *) &fs->op) |
| 708 | ->statfs("/", &oldbuf); |
| 709 | if (!err) |
| 710 | convert_statfs_old(&oldbuf, buf); |
| 711 | } else { |
| 712 | struct fuse_statfs_compat1 compatbuf; |
| 713 | memset(&compatbuf, 0, sizeof(struct fuse_statfs_compat1)); |
| 714 | err = ((struct fuse_operations_compat1 *) &fs->op)->statfs(&compatbuf); |
| 715 | if (!err) |
| 716 | convert_statfs_compat(&compatbuf, buf); |
| 717 | } |
| 718 | return err; |
| 719 | } |
| 720 | |
| 721 | #else /* __FreeBSD__ */ |
| 722 | |
| 723 | static inline int fuse_compat_open(struct fuse_fs *fs, char *path, |
| 724 | struct fuse_file_info *fi) |
| 725 | { |
| 726 | return fs->op.open(path, fi); |
| 727 | } |
| 728 | |
| 729 | static inline int fuse_compat_release(struct fuse_fs *fs, const char *path, |
| 730 | struct fuse_file_info *fi) |
| 731 | { |
| 732 | return fs->op.release(path, fi); |
| 733 | } |
| 734 | |
| 735 | static inline int fuse_compat_opendir(struct fuse_fs *fs, const char *path, |
| 736 | struct fuse_file_info *fi) |
| 737 | { |
| 738 | return fs->op.opendir(path, fi); |
| 739 | } |
| 740 | |
| 741 | static inline int fuse_compat_statfs(struct fuse_fs *fs, const char *path, |
| 742 | struct statvfs *buf) |
| 743 | { |
| 744 | return fs->op.statfs(fs->compat == 25 ? "/" : path, buf); |
| 745 | } |
| 746 | |
| 747 | #endif /* __FreeBSD__ */ |
| 748 | |
| 749 | int fuse_fs_getattr(struct fuse_fs *fs, const char *path, struct stat *buf) |
| 750 | { |
| 751 | fuse_get_context()->private_data = fs->user_data; |
| 752 | if (fs->op.getattr) |
| 753 | return fs->op.getattr(path, buf); |
| 754 | else |
| 755 | return -ENOSYS; |
| 756 | } |
| 757 | |
| 758 | int fuse_fs_fgetattr(struct fuse_fs *fs, const char *path, struct stat *buf, |
| 759 | struct fuse_file_info *fi) |
| 760 | { |
| 761 | fuse_get_context()->private_data = fs->user_data; |
| 762 | if (fs->op.fgetattr) |
| 763 | return fs->op.fgetattr(path, buf, fi); |
| 764 | else if (fs->op.getattr) |
| 765 | return fs->op.getattr(path, buf); |
| 766 | else |
| 767 | return -ENOSYS; |
| 768 | } |
| 769 | |
| 770 | int fuse_fs_rename(struct fuse_fs *fs, const char *oldpath, |
| 771 | const char *newpath) |
| 772 | { |
| 773 | fuse_get_context()->private_data = fs->user_data; |
| 774 | if (fs->op.rename) |
| 775 | return fs->op.rename(oldpath, newpath); |
| 776 | else |
| 777 | return -ENOSYS; |
| 778 | } |
| 779 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 780 | int fuse_fs_unlink(struct fuse_fs *fs, const char *path) |
| 781 | { |
| 782 | fuse_get_context()->private_data = fs->user_data; |
| 783 | if (fs->op.unlink) |
| 784 | return fs->op.unlink(path); |
| 785 | else |
| 786 | return -ENOSYS; |
| 787 | } |
| 788 | |
| 789 | int fuse_fs_rmdir(struct fuse_fs *fs, const char *path) |
| 790 | { |
| 791 | fuse_get_context()->private_data = fs->user_data; |
| 792 | if (fs->op.rmdir) |
| 793 | return fs->op.rmdir(path); |
| 794 | else |
| 795 | return -ENOSYS; |
| 796 | } |
| 797 | |
| 798 | int fuse_fs_symlink(struct fuse_fs *fs, const char *linkname, const char *path) |
| 799 | { |
| 800 | fuse_get_context()->private_data = fs->user_data; |
| 801 | if (fs->op.symlink) |
| 802 | return fs->op.symlink(linkname, path); |
| 803 | else |
| 804 | return -ENOSYS; |
| 805 | } |
| 806 | |
| 807 | int fuse_fs_link(struct fuse_fs *fs, const char *oldpath, const char *newpath) |
| 808 | { |
| 809 | fuse_get_context()->private_data = fs->user_data; |
| 810 | if (fs->op.link) |
| 811 | return fs->op.link(oldpath, newpath); |
| 812 | else |
| 813 | return -ENOSYS; |
| 814 | } |
| 815 | |
| 816 | int fuse_fs_release(struct fuse_fs *fs, const char *path, |
| 817 | struct fuse_file_info *fi) |
| 818 | { |
| 819 | fuse_get_context()->private_data = fs->user_data; |
| 820 | if (fs->op.release) |
| 821 | return fuse_compat_release(fs, path, fi); |
| 822 | else |
| 823 | return 0; |
| 824 | } |
| 825 | |
| 826 | int fuse_fs_opendir(struct fuse_fs *fs, const char *path, |
| 827 | struct fuse_file_info *fi) |
| 828 | { |
| 829 | fuse_get_context()->private_data = fs->user_data; |
| 830 | if (fs->op.opendir) |
| 831 | return fuse_compat_opendir(fs, path, fi); |
| 832 | else |
| 833 | return 0; |
| 834 | } |
| 835 | |
| 836 | int fuse_fs_open(struct fuse_fs *fs, const char *path, |
| 837 | struct fuse_file_info *fi) |
| 838 | { |
| 839 | fuse_get_context()->private_data = fs->user_data; |
| 840 | if (fs->op.open) |
| 841 | return fuse_compat_open(fs, path, fi); |
| 842 | else |
| 843 | return 0; |
| 844 | } |
| 845 | |
| 846 | int fuse_fs_read(struct fuse_fs *fs, const char *path, char *buf, size_t size, |
| 847 | off_t off, struct fuse_file_info *fi) |
| 848 | { |
| 849 | fuse_get_context()->private_data = fs->user_data; |
| 850 | if (fs->op.read) |
| 851 | return fs->op.read(path, buf, size, off, fi); |
| 852 | else |
| 853 | return -ENOSYS; |
| 854 | } |
| 855 | |
| 856 | int fuse_fs_write(struct fuse_fs *fs, const char *path, const char *buf, |
| 857 | size_t size, off_t off, struct fuse_file_info *fi) |
| 858 | { |
| 859 | fuse_get_context()->private_data = fs->user_data; |
| 860 | if (fs->op.write) |
| 861 | return fs->op.write(path, buf, size, off, fi); |
| 862 | else |
| 863 | return -ENOSYS; |
| 864 | } |
| 865 | |
| 866 | int fuse_fs_fsync(struct fuse_fs *fs, const char *path, int datasync, |
| 867 | struct fuse_file_info *fi) |
| 868 | { |
| 869 | fuse_get_context()->private_data = fs->user_data; |
| 870 | if (fs->op.fsync) |
| 871 | return fs->op.fsync(path, datasync, fi); |
| 872 | else |
| 873 | return -ENOSYS; |
| 874 | } |
| 875 | |
| 876 | int fuse_fs_fsyncdir(struct fuse_fs *fs, const char *path, int datasync, |
| 877 | struct fuse_file_info *fi) |
| 878 | { |
| 879 | fuse_get_context()->private_data = fs->user_data; |
| 880 | if (fs->op.fsyncdir) |
| 881 | return fs->op.fsyncdir(path, datasync, fi); |
| 882 | else |
| 883 | return -ENOSYS; |
| 884 | } |
| 885 | |
| 886 | int fuse_fs_flush(struct fuse_fs *fs, const char *path, |
| 887 | struct fuse_file_info *fi) |
| 888 | { |
| 889 | fuse_get_context()->private_data = fs->user_data; |
| 890 | if (fs->op.flush) |
| 891 | return fs->op.flush(path, fi); |
| 892 | else |
| 893 | return -ENOSYS; |
| 894 | } |
| 895 | |
| 896 | int fuse_fs_statfs(struct fuse_fs *fs, const char *path, struct statvfs *buf) |
| 897 | { |
| 898 | fuse_get_context()->private_data = fs->user_data; |
| 899 | if (fs->op.statfs) |
| 900 | return fuse_compat_statfs(fs, path, buf); |
| 901 | else { |
| 902 | buf->f_namemax = 255; |
| 903 | buf->f_bsize = 512; |
| 904 | return 0; |
| 905 | } |
| 906 | } |
| 907 | |
| 908 | int fuse_fs_releasedir(struct fuse_fs *fs, const char *path, |
| 909 | struct fuse_file_info *fi) |
| 910 | { |
| 911 | fuse_get_context()->private_data = fs->user_data; |
| 912 | if (fs->op.releasedir) |
| 913 | return fs->op.releasedir(path, fi); |
| 914 | else |
| 915 | return 0; |
| 916 | } |
| 917 | |
| 918 | static int fill_dir_old(struct fuse_dirhandle *dh, const char *name, int type, |
| 919 | ino_t ino) |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 920 | { |
| 921 | int res; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 922 | struct stat stbuf; |
| 923 | |
| 924 | memset(&stbuf, 0, sizeof(stbuf)); |
| 925 | stbuf.st_mode = type << 12; |
| 926 | stbuf.st_ino = ino; |
| 927 | |
| 928 | res = dh->filler(dh->buf, name, &stbuf, 0); |
| 929 | return res ? -ENOMEM : 0; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 930 | } |
| 931 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 932 | int fuse_fs_readdir(struct fuse_fs *fs, const char *path, void *buf, |
| 933 | fuse_fill_dir_t filler, off_t off, |
| 934 | struct fuse_file_info *fi) |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 935 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 936 | fuse_get_context()->private_data = fs->user_data; |
| 937 | if (fs->op.readdir) |
| 938 | return fs->op.readdir(path, buf, filler, off, fi); |
| 939 | else if (fs->op.getdir) { |
| 940 | struct fuse_dirhandle dh; |
| 941 | dh.filler = filler; |
| 942 | dh.buf = buf; |
| 943 | return fs->op.getdir(path, &dh, fill_dir_old); |
| 944 | } else |
| 945 | return -ENOSYS; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 946 | } |
| 947 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 948 | int fuse_fs_create(struct fuse_fs *fs, const char *path, mode_t mode, |
| 949 | struct fuse_file_info *fi) |
Miklos Szeredi | 4fca432 | 2006-10-01 14:41:04 +0000 | [diff] [blame] | 950 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 951 | fuse_get_context()->private_data = fs->user_data; |
| 952 | if (fs->op.create) |
| 953 | return fs->op.create(path, mode, fi); |
| 954 | else |
| 955 | return -ENOSYS; |
Miklos Szeredi | 4fca432 | 2006-10-01 14:41:04 +0000 | [diff] [blame] | 956 | } |
| 957 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 958 | int fuse_fs_lock(struct fuse_fs *fs, const char *path, |
| 959 | struct fuse_file_info *fi, int cmd, struct flock *lock) |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 960 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 961 | fuse_get_context()->private_data = fs->user_data; |
| 962 | if (fs->op.lock) |
| 963 | return fs->op.lock(path, fi, cmd, lock); |
| 964 | else |
| 965 | return -ENOSYS; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 966 | } |
| 967 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 968 | int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid) |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 969 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 970 | fuse_get_context()->private_data = fs->user_data; |
| 971 | if (fs->op.chown) |
| 972 | return fs->op.chown(path, uid, gid); |
| 973 | else |
| 974 | return -ENOSYS; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 975 | } |
| 976 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 977 | int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off_t size) |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 978 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 979 | fuse_get_context()->private_data = fs->user_data; |
| 980 | if (fs->op.truncate) |
| 981 | return fs->op.truncate(path, size); |
| 982 | else |
| 983 | return -ENOSYS; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 984 | } |
| 985 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 986 | int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, off_t size, |
| 987 | struct fuse_file_info *fi) |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 988 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 989 | fuse_get_context()->private_data = fs->user_data; |
| 990 | if (fs->op.ftruncate) |
| 991 | return fs->op.ftruncate(path, size, fi); |
| 992 | else if (fs->op.truncate) |
| 993 | return fs->op.truncate(path, size); |
| 994 | else |
| 995 | return -ENOSYS; |
| 996 | } |
| 997 | |
| 998 | int fuse_fs_utimens(struct fuse_fs *fs, const char *path, |
| 999 | const struct timespec tv[2]) |
| 1000 | { |
| 1001 | fuse_get_context()->private_data = fs->user_data; |
| 1002 | if (fs->op.utimens) |
| 1003 | return fs->op.utimens(path, tv); |
| 1004 | else if(fs->op.utime) { |
| 1005 | struct utimbuf buf; |
| 1006 | buf.actime = tv[0].tv_sec; |
| 1007 | buf.modtime = tv[1].tv_sec; |
| 1008 | return fs->op.utime(path, &buf); |
| 1009 | } else |
| 1010 | return -ENOSYS; |
| 1011 | } |
| 1012 | |
| 1013 | int fuse_fs_access(struct fuse_fs *fs, const char *path, int mask) |
| 1014 | { |
| 1015 | fuse_get_context()->private_data = fs->user_data; |
| 1016 | if (fs->op.access) |
| 1017 | return fs->op.access(path, mask); |
| 1018 | else |
| 1019 | return -ENOSYS; |
| 1020 | } |
| 1021 | |
| 1022 | int fuse_fs_readlink(struct fuse_fs *fs, const char *path, char *buf, |
| 1023 | size_t len) |
| 1024 | { |
| 1025 | fuse_get_context()->private_data = fs->user_data; |
| 1026 | if (fs->op.readlink) |
| 1027 | return fs->op.readlink(path, buf, len); |
| 1028 | else |
| 1029 | return -ENOSYS; |
| 1030 | } |
| 1031 | |
| 1032 | int fuse_fs_mknod(struct fuse_fs *fs, const char *path, mode_t mode, |
| 1033 | dev_t rdev) |
| 1034 | { |
| 1035 | fuse_get_context()->private_data = fs->user_data; |
| 1036 | if (fs->op.mknod) |
| 1037 | return fs->op.mknod(path, mode, rdev); |
| 1038 | else |
| 1039 | return -ENOSYS; |
| 1040 | } |
| 1041 | |
| 1042 | int fuse_fs_mkdir(struct fuse_fs *fs, const char *path, mode_t mode) |
| 1043 | { |
| 1044 | fuse_get_context()->private_data = fs->user_data; |
| 1045 | if (fs->op.mkdir) |
| 1046 | return fs->op.mkdir(path, mode); |
| 1047 | else |
| 1048 | return -ENOSYS; |
| 1049 | } |
| 1050 | |
| 1051 | int fuse_fs_setxattr(struct fuse_fs *fs, const char *path, const char *name, |
| 1052 | const char *value, size_t size, int flags) |
| 1053 | { |
| 1054 | fuse_get_context()->private_data = fs->user_data; |
| 1055 | if (fs->op.setxattr) |
| 1056 | return fs->op.setxattr(path, name, value, size, flags); |
| 1057 | else |
| 1058 | return -ENOSYS; |
| 1059 | } |
| 1060 | |
| 1061 | int fuse_fs_getxattr(struct fuse_fs *fs, const char *path, const char *name, |
| 1062 | char *value, size_t size) |
| 1063 | { |
| 1064 | fuse_get_context()->private_data = fs->user_data; |
| 1065 | if (fs->op.getxattr) |
| 1066 | return fs->op.getxattr(path, name, value, size); |
| 1067 | else |
| 1068 | return -ENOSYS; |
| 1069 | } |
| 1070 | |
| 1071 | int fuse_fs_listxattr(struct fuse_fs *fs, const char *path, char *list, |
| 1072 | size_t size) |
| 1073 | { |
| 1074 | fuse_get_context()->private_data = fs->user_data; |
| 1075 | if (fs->op.listxattr) |
| 1076 | return fs->op.listxattr(path, list, size); |
| 1077 | else |
| 1078 | return -ENOSYS; |
| 1079 | } |
| 1080 | |
| 1081 | int fuse_fs_bmap(struct fuse_fs *fs, const char *path, size_t blocksize, |
| 1082 | uint64_t *idx) |
| 1083 | { |
| 1084 | fuse_get_context()->private_data = fs->user_data; |
| 1085 | if (fs->op.bmap) |
| 1086 | return fs->op.bmap(path, blocksize, idx); |
| 1087 | else |
| 1088 | return -ENOSYS; |
| 1089 | } |
| 1090 | |
| 1091 | int fuse_fs_removexattr(struct fuse_fs *fs, const char *path, const char *name) |
| 1092 | { |
| 1093 | fuse_get_context()->private_data = fs->user_data; |
| 1094 | if (fs->op.removexattr) |
| 1095 | return fs->op.removexattr(path, name); |
| 1096 | else |
| 1097 | return -ENOSYS; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1098 | } |
| 1099 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1100 | static int is_open(struct fuse *f, fuse_ino_t dir, const char *name) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1101 | { |
| 1102 | struct node *node; |
| 1103 | int isopen = 0; |
| 1104 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1105 | node = lookup_node(f, dir, name); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1106 | if (node && node->open_count > 0) |
| 1107 | isopen = 1; |
| 1108 | pthread_mutex_unlock(&f->lock); |
| 1109 | return isopen; |
| 1110 | } |
| 1111 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1112 | static char *hidden_name(struct fuse *f, fuse_ino_t dir, const char *oldname, |
| 1113 | char *newname, size_t bufsize) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1114 | { |
| 1115 | struct stat buf; |
| 1116 | struct node *node; |
| 1117 | struct node *newnode; |
| 1118 | char *newpath; |
| 1119 | int res; |
| 1120 | int failctr = 10; |
| 1121 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1122 | do { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1123 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1124 | node = lookup_node(f, dir, oldname); |
| 1125 | if (node == NULL) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1126 | pthread_mutex_unlock(&f->lock); |
| 1127 | return NULL; |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1128 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1129 | do { |
| 1130 | f->hidectr ++; |
| 1131 | snprintf(newname, bufsize, ".fuse_hidden%08x%08x", |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 1132 | (unsigned int) node->nodeid, f->hidectr); |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 1133 | newnode = lookup_node(f, dir, newname); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1134 | } while(newnode); |
| 1135 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1136 | |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1137 | newpath = get_path_name(f, dir, newname); |
| 1138 | if (!newpath) |
| 1139 | break; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1140 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1141 | res = fuse_fs_getattr(f->fs, newpath, &buf); |
| 1142 | if (res == -ENOENT) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1143 | break; |
| 1144 | free(newpath); |
| 1145 | newpath = NULL; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1146 | } while(res == 0 && --failctr); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1147 | |
| 1148 | return newpath; |
| 1149 | } |
| 1150 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1151 | static int hide_node(struct fuse *f, const char *oldpath, |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1152 | fuse_ino_t dir, const char *oldname) |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1153 | { |
| 1154 | char newname[64]; |
| 1155 | char *newpath; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1156 | int err = -EBUSY; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1157 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1158 | newpath = hidden_name(f, dir, oldname, newname, sizeof(newname)); |
| 1159 | if (newpath) { |
| 1160 | err = fuse_fs_rename(f->fs, oldpath, newpath); |
| 1161 | if (!err) |
| 1162 | err = rename_node(f, dir, oldname, dir, newname, 1); |
| 1163 | free(newpath); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1164 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1165 | return err; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1166 | } |
| 1167 | |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1168 | static int mtime_eq(const struct stat *stbuf, const struct timespec *ts) |
| 1169 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1170 | return stbuf->st_mtime == ts->tv_sec && ST_MTIM_NSEC(stbuf) == ts->tv_nsec; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1171 | } |
| 1172 | |
Miklos Szeredi | 2512aaa | 2006-05-03 14:54:59 +0000 | [diff] [blame] | 1173 | #ifndef CLOCK_MONOTONIC |
| 1174 | #define CLOCK_MONOTONIC CLOCK_REALTIME |
| 1175 | #endif |
| 1176 | |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1177 | static void curr_time(struct timespec *now) |
| 1178 | { |
| 1179 | static clockid_t clockid = CLOCK_MONOTONIC; |
| 1180 | int res = clock_gettime(clockid, now); |
| 1181 | if (res == -1 && errno == EINVAL) { |
| 1182 | clockid = CLOCK_REALTIME; |
| 1183 | res = clock_gettime(clockid, now); |
| 1184 | } |
| 1185 | if (res == -1) { |
| 1186 | perror("fuse: clock_gettime"); |
| 1187 | abort(); |
| 1188 | } |
| 1189 | } |
| 1190 | |
| 1191 | static void update_stat(struct node *node, const struct stat *stbuf) |
| 1192 | { |
| 1193 | if (node->cache_valid && (!mtime_eq(stbuf, &node->mtime) || |
| 1194 | stbuf->st_size != node->size)) |
| 1195 | node->cache_valid = 0; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1196 | node->mtime.tv_sec = stbuf->st_mtime; |
| 1197 | node->mtime.tv_nsec = ST_MTIM_NSEC(stbuf); |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1198 | node->size = stbuf->st_size; |
| 1199 | curr_time(&node->stat_updated); |
| 1200 | } |
| 1201 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1202 | static int lookup_path(struct fuse *f, fuse_ino_t nodeid, |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1203 | const char *name, const char *path, |
| 1204 | struct fuse_entry_param *e, struct fuse_file_info *fi) |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1205 | { |
| 1206 | int res; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1207 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1208 | memset(e, 0, sizeof(struct fuse_entry_param)); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1209 | if (fi) |
| 1210 | res = fuse_fs_fgetattr(f->fs, path, &e->attr, fi); |
Miklos Szeredi | f7eec03 | 2005-10-28 13:09:50 +0000 | [diff] [blame] | 1211 | else |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1212 | res = fuse_fs_getattr(f->fs, path, &e->attr); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1213 | if (res == 0) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1214 | struct node *node; |
| 1215 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1216 | node = find_node(f, nodeid, name); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1217 | if (node == NULL) |
| 1218 | res = -ENOMEM; |
| 1219 | else { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1220 | e->ino = node->nodeid; |
| 1221 | e->generation = node->generation; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1222 | e->entry_timeout = f->conf.entry_timeout; |
| 1223 | e->attr_timeout = f->conf.attr_timeout; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1224 | if (f->conf.auto_cache) { |
| 1225 | pthread_mutex_lock(&f->lock); |
| 1226 | update_stat(node, &e->attr); |
| 1227 | pthread_mutex_unlock(&f->lock); |
| 1228 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1229 | set_stat(f, e->ino, &e->attr); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1230 | if (f->conf.debug) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1231 | printf(" NODEID: %lu\n", (unsigned long) e->ino); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 1232 | fflush(stdout); |
| 1233 | } |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1234 | } |
| 1235 | } |
| 1236 | return res; |
| 1237 | } |
| 1238 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1239 | static struct fuse_context_i *fuse_get_context_internal(void) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1240 | { |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1241 | struct fuse_context_i *c; |
| 1242 | |
| 1243 | c = (struct fuse_context_i *) pthread_getspecific(fuse_context_key); |
| 1244 | if (c == NULL) { |
| 1245 | c = (struct fuse_context_i *) malloc(sizeof(struct fuse_context_i)); |
| 1246 | if (c == NULL) { |
| 1247 | /* This is hard to deal with properly, so just abort. If |
| 1248 | memory is so low that the context cannot be allocated, |
| 1249 | there's not much hope for the filesystem anyway */ |
| 1250 | fprintf(stderr, "fuse: failed to allocate thread specific data\n"); |
| 1251 | abort(); |
| 1252 | } |
| 1253 | pthread_setspecific(fuse_context_key, c); |
| 1254 | } |
| 1255 | return c; |
| 1256 | } |
| 1257 | |
| 1258 | static void fuse_freecontext(void *data) |
| 1259 | { |
| 1260 | free(data); |
| 1261 | } |
| 1262 | |
| 1263 | static int fuse_create_context_key(void) |
| 1264 | { |
| 1265 | int err = 0; |
| 1266 | pthread_mutex_lock(&fuse_context_lock); |
| 1267 | if (!fuse_context_ref) { |
| 1268 | err = pthread_key_create(&fuse_context_key, fuse_freecontext); |
| 1269 | if (err) { |
| 1270 | fprintf(stderr, "fuse: failed to create thread specific key: %s\n", |
| 1271 | strerror(err)); |
| 1272 | pthread_mutex_unlock(&fuse_context_lock); |
| 1273 | return -1; |
| 1274 | } |
| 1275 | } |
| 1276 | fuse_context_ref++; |
| 1277 | pthread_mutex_unlock(&fuse_context_lock); |
| 1278 | return 0; |
| 1279 | } |
| 1280 | |
| 1281 | static void fuse_delete_context_key(void) |
| 1282 | { |
| 1283 | pthread_mutex_lock(&fuse_context_lock); |
| 1284 | fuse_context_ref--; |
| 1285 | if (!fuse_context_ref) { |
| 1286 | free(pthread_getspecific(fuse_context_key)); |
| 1287 | pthread_key_delete(fuse_context_key); |
| 1288 | } |
| 1289 | pthread_mutex_unlock(&fuse_context_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1290 | } |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1291 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1292 | static struct fuse *req_fuse_prepare(fuse_req_t req) |
| 1293 | { |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1294 | struct fuse_context_i *c = fuse_get_context_internal(); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1295 | const struct fuse_ctx *ctx = fuse_req_ctx(req); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1296 | c->req = req; |
| 1297 | c->ctx.fuse = req_fuse(req); |
| 1298 | c->ctx.uid = ctx->uid; |
| 1299 | c->ctx.gid = ctx->gid; |
| 1300 | c->ctx.pid = ctx->pid; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1301 | return c->ctx.fuse; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1302 | } |
| 1303 | |
| 1304 | static inline void reply_err(fuse_req_t req, int err) |
| 1305 | { |
| 1306 | /* fuse_reply_err() uses non-negated errno values */ |
| 1307 | fuse_reply_err(req, -err); |
| 1308 | } |
| 1309 | |
| 1310 | static void reply_entry(fuse_req_t req, const struct fuse_entry_param *e, |
| 1311 | int err) |
| 1312 | { |
| 1313 | if (!err) { |
Miklos Szeredi | b67f216 | 2006-02-20 10:55:33 +0000 | [diff] [blame] | 1314 | struct fuse *f = req_fuse(req); |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 1315 | if (fuse_reply_entry(req, e) == -ENOENT) |
Miklos Szeredi | b67f216 | 2006-02-20 10:55:33 +0000 | [diff] [blame] | 1316 | forget_node(f, e->ino, 1); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1317 | } else |
| 1318 | reply_err(req, err); |
| 1319 | } |
| 1320 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1321 | void fuse_fs_init(struct fuse_fs *fs, struct fuse_conn_info *conn) |
| 1322 | { |
| 1323 | fuse_get_context()->private_data = fs->user_data; |
| 1324 | if (fs->op.init) |
| 1325 | fs->user_data = fs->op.init(conn); |
| 1326 | } |
| 1327 | |
| 1328 | static void fuse_lib_init(void *data, struct fuse_conn_info *conn) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1329 | { |
| 1330 | struct fuse *f = (struct fuse *) data; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1331 | struct fuse_context_i *c = fuse_get_context_internal(); |
Miklos Szeredi | 4f5df5e | 2005-10-07 12:39:58 +0000 | [diff] [blame] | 1332 | |
| 1333 | memset(c, 0, sizeof(*c)); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1334 | c->ctx.fuse = f; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1335 | fuse_fs_init(f->fs, conn); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1336 | } |
| 1337 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1338 | void fuse_fs_destroy(struct fuse_fs *fs) |
| 1339 | { |
| 1340 | fuse_get_context()->private_data = fs->user_data; |
| 1341 | if (fs->op.destroy) |
| 1342 | fs->op.destroy(fs->user_data); |
| 1343 | if (fs->m) |
| 1344 | fuse_put_module(fs->m); |
| 1345 | free(fs); |
| 1346 | } |
| 1347 | |
| 1348 | static void fuse_lib_destroy(void *data) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1349 | { |
| 1350 | struct fuse *f = (struct fuse *) data; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1351 | struct fuse_context_i *c = fuse_get_context_internal(); |
Miklos Szeredi | 4f5df5e | 2005-10-07 12:39:58 +0000 | [diff] [blame] | 1352 | |
| 1353 | memset(c, 0, sizeof(*c)); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 1354 | c->ctx.fuse = f; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1355 | fuse_fs_destroy(f->fs); |
| 1356 | f->fs = NULL; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1357 | } |
| 1358 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1359 | static void fuse_lib_lookup(fuse_req_t req, fuse_ino_t parent, |
| 1360 | const char *name) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1361 | { |
| 1362 | struct fuse *f = req_fuse_prepare(req); |
| 1363 | struct fuse_entry_param e; |
| 1364 | char *path; |
| 1365 | int err; |
| 1366 | |
| 1367 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1368 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1369 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1370 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1371 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1372 | if (f->conf.debug) { |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 1373 | printf("LOOKUP %s\n", path); |
| 1374 | fflush(stdout); |
| 1375 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1376 | fuse_prepare_interrupt(f, req, &d); |
| 1377 | err = lookup_path(f, parent, name, path, &e, NULL); |
| 1378 | if (err == -ENOENT && f->conf.negative_timeout != 0.0) { |
| 1379 | e.ino = 0; |
| 1380 | e.entry_timeout = f->conf.negative_timeout; |
| 1381 | err = 0; |
Miklos Szeredi | 2b47811 | 2005-11-28 13:27:10 +0000 | [diff] [blame] | 1382 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1383 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1384 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1385 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1386 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1387 | reply_entry(req, &e, err); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1388 | } |
| 1389 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1390 | static void fuse_lib_forget(fuse_req_t req, fuse_ino_t ino, |
| 1391 | unsigned long nlookup) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1392 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1393 | struct fuse *f = req_fuse(req); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1394 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1395 | printf("FORGET %llu/%lu\n", (unsigned long long) ino, nlookup); |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 1396 | fflush(stdout); |
| 1397 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1398 | forget_node(f, ino, nlookup); |
| 1399 | fuse_reply_none(req); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1400 | } |
| 1401 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1402 | static void fuse_lib_getattr(fuse_req_t req, fuse_ino_t ino, |
| 1403 | struct fuse_file_info *fi) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1404 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1405 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1406 | struct stat buf; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1407 | char *path; |
| 1408 | int err; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1409 | |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 1410 | (void) fi; |
Miklos Szeredi | 16dbf94 | 2006-09-02 13:20:40 +0000 | [diff] [blame] | 1411 | memset(&buf, 0, sizeof(buf)); |
Miklos Szeredi | ecce1bf | 2005-08-25 15:19:06 +0000 | [diff] [blame] | 1412 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1413 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1414 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1415 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1416 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1417 | struct fuse_intr_data d; |
| 1418 | fuse_prepare_interrupt(f, req, &d); |
| 1419 | err = fuse_fs_getattr(f->fs, path, &buf); |
| 1420 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1421 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1422 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1423 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1424 | if (!err) { |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1425 | if (f->conf.auto_cache) { |
| 1426 | pthread_mutex_lock(&f->lock); |
| 1427 | update_stat(get_node(f, ino), &buf); |
| 1428 | pthread_mutex_unlock(&f->lock); |
| 1429 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1430 | set_stat(f, ino, &buf); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1431 | fuse_reply_attr(req, &buf, f->conf.attr_timeout); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1432 | } else |
| 1433 | reply_err(req, err); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1434 | } |
| 1435 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1436 | int fuse_fs_chmod(struct fuse_fs *fs, const char *path, mode_t mode) |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 1437 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1438 | if (fs->op.chmod) |
| 1439 | return fs->op.chmod(path, mode); |
| 1440 | else |
| 1441 | return -ENOSYS; |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 1442 | } |
Miklos Szeredi | f3ea83b | 2001-11-07 14:55:16 +0000 | [diff] [blame] | 1443 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1444 | static void fuse_lib_setattr(fuse_req_t req, fuse_ino_t ino, struct stat *attr, |
| 1445 | int valid, struct fuse_file_info *fi) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1446 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1447 | struct fuse *f = req_fuse_prepare(req); |
| 1448 | struct stat buf; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1449 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1450 | int err; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1451 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1452 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1453 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1454 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1455 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1456 | struct fuse_intr_data d; |
| 1457 | fuse_prepare_interrupt(f, req, &d); |
| 1458 | err = 0; |
| 1459 | if (!err && (valid & FUSE_SET_ATTR_MODE)) |
| 1460 | err = fuse_fs_chmod(f->fs, path, attr->st_mode); |
| 1461 | if (!err && (valid & (FUSE_SET_ATTR_UID | FUSE_SET_ATTR_GID))) { |
| 1462 | uid_t uid = |
| 1463 | (valid & FUSE_SET_ATTR_UID) ? attr->st_uid : (uid_t) -1; |
| 1464 | gid_t gid = |
| 1465 | (valid & FUSE_SET_ATTR_GID) ? attr->st_gid : (gid_t) -1; |
| 1466 | err = fuse_fs_chown(f->fs, path, uid, gid); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1467 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1468 | if (!err && (valid & FUSE_SET_ATTR_SIZE)) { |
| 1469 | if (fi) |
| 1470 | err = fuse_fs_ftruncate(f->fs, path, attr->st_size, fi); |
| 1471 | else |
| 1472 | err = fuse_fs_truncate(f->fs, path, attr->st_size); |
| 1473 | } |
| 1474 | if (!err && (valid & (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) == |
| 1475 | (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) { |
| 1476 | struct timespec tv[2]; |
| 1477 | tv[0].tv_sec = attr->st_atime; |
| 1478 | tv[0].tv_nsec = ST_ATIM_NSEC(attr); |
| 1479 | tv[1].tv_sec = attr->st_mtime; |
| 1480 | tv[1].tv_nsec = ST_MTIM_NSEC(attr); |
| 1481 | err = fuse_fs_utimens(f->fs, path, tv); |
| 1482 | } |
| 1483 | if (!err) |
| 1484 | err = fuse_fs_getattr(f->fs, path, &buf); |
| 1485 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1486 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1487 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1488 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1489 | if (!err) { |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1490 | if (f->conf.auto_cache) { |
| 1491 | pthread_mutex_lock(&f->lock); |
| 1492 | update_stat(get_node(f, ino), &buf); |
| 1493 | pthread_mutex_unlock(&f->lock); |
| 1494 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1495 | set_stat(f, ino, &buf); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1496 | fuse_reply_attr(req, &buf, f->conf.attr_timeout); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1497 | } else |
| 1498 | reply_err(req, err); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1499 | } |
| 1500 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1501 | static void fuse_lib_access(fuse_req_t req, fuse_ino_t ino, int mask) |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 1502 | { |
| 1503 | struct fuse *f = req_fuse_prepare(req); |
| 1504 | char *path; |
| 1505 | int err; |
| 1506 | |
| 1507 | err = -ENOENT; |
| 1508 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1509 | path = get_path(f, ino); |
| 1510 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1511 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1512 | if (f->conf.debug) { |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 1513 | printf("ACCESS %s 0%o\n", path, mask); |
| 1514 | fflush(stdout); |
| 1515 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1516 | fuse_prepare_interrupt(f, req, &d); |
| 1517 | err = fuse_fs_access(f->fs, path, mask); |
| 1518 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | b0b13d1 | 2005-10-26 12:53:25 +0000 | [diff] [blame] | 1519 | free(path); |
| 1520 | } |
| 1521 | pthread_rwlock_unlock(&f->tree_lock); |
| 1522 | reply_err(req, err); |
| 1523 | } |
| 1524 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1525 | static void fuse_lib_readlink(fuse_req_t req, fuse_ino_t ino) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1526 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1527 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 1528 | char linkname[PATH_MAX + 1]; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1529 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1530 | int err; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1531 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1532 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1533 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1534 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1535 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1536 | struct fuse_intr_data d; |
| 1537 | fuse_prepare_interrupt(f, req, &d); |
| 1538 | err = fuse_fs_readlink(f->fs, path, linkname, sizeof(linkname)); |
| 1539 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1540 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1541 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1542 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1543 | if (!err) { |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 1544 | linkname[PATH_MAX] = '\0'; |
| 1545 | fuse_reply_readlink(req, linkname); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1546 | } else |
| 1547 | reply_err(req, err); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 1548 | } |
| 1549 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1550 | static void fuse_lib_mknod(fuse_req_t req, fuse_ino_t parent, const char *name, |
| 1551 | mode_t mode, dev_t rdev) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1552 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1553 | struct fuse *f = req_fuse_prepare(req); |
| 1554 | struct fuse_entry_param e; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1555 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1556 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1557 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1558 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1559 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1560 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1561 | if (path) { |
| 1562 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1563 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1564 | printf("MKNOD %s\n", path); |
| 1565 | fflush(stdout); |
| 1566 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1567 | fuse_prepare_interrupt(f, req, &d); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1568 | err = -ENOSYS; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1569 | if (S_ISREG(mode)) { |
Miklos Szeredi | b3f9972 | 2005-11-16 13:00:24 +0000 | [diff] [blame] | 1570 | struct fuse_file_info fi; |
| 1571 | |
| 1572 | memset(&fi, 0, sizeof(fi)); |
| 1573 | fi.flags = O_CREAT | O_EXCL | O_WRONLY; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1574 | err = fuse_fs_create(f->fs, path, mode, &fi); |
Miklos Szeredi | b3f9972 | 2005-11-16 13:00:24 +0000 | [diff] [blame] | 1575 | if (!err) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1576 | err = lookup_path(f, parent, name, path, &e, &fi); |
| 1577 | fuse_fs_release(f->fs, path, &fi); |
Miklos Szeredi | b3f9972 | 2005-11-16 13:00:24 +0000 | [diff] [blame] | 1578 | } |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1579 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1580 | if (err == -ENOSYS) { |
| 1581 | err = fuse_fs_mknod(f->fs, path, mode, rdev); |
| 1582 | if (!err) |
| 1583 | err = lookup_path(f, parent, name, path, &e, NULL); |
| 1584 | } |
| 1585 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1586 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1587 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1588 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1589 | reply_entry(req, &e, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1590 | } |
| 1591 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1592 | static void fuse_lib_mkdir(fuse_req_t req, fuse_ino_t parent, const char *name, |
| 1593 | mode_t mode) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1594 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1595 | struct fuse *f = req_fuse_prepare(req); |
| 1596 | struct fuse_entry_param e; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1597 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1598 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1599 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1600 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1601 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1602 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1603 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1604 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1605 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1606 | printf("MKDIR %s\n", path); |
| 1607 | fflush(stdout); |
| 1608 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1609 | fuse_prepare_interrupt(f, req, &d); |
| 1610 | err = fuse_fs_mkdir(f->fs, path, mode); |
| 1611 | if (!err) |
| 1612 | err = lookup_path(f, parent, name, path, &e, NULL); |
| 1613 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1614 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1615 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1616 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1617 | reply_entry(req, &e, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1618 | } |
| 1619 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1620 | static void fuse_lib_unlink(fuse_req_t req, fuse_ino_t parent, |
| 1621 | const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1622 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1623 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1624 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1625 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1626 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1627 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1628 | pthread_rwlock_wrlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1629 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1630 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1631 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1632 | if (f->conf.debug) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1633 | printf("UNLINK %s\n", path); |
| 1634 | fflush(stdout); |
| 1635 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1636 | fuse_prepare_interrupt(f, req, &d); |
| 1637 | if (!f->conf.hard_remove && is_open(f, parent, name)) |
| 1638 | err = hide_node(f, path, parent, name); |
| 1639 | else { |
| 1640 | err = fuse_fs_unlink(f->fs, path); |
| 1641 | if (!err) |
| 1642 | remove_node(f, parent, name); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1643 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1644 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1645 | free(path); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1646 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1647 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1648 | reply_err(req, err); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1649 | } |
| 1650 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1651 | static void fuse_lib_rmdir(fuse_req_t req, fuse_ino_t parent, const char *name) |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1652 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1653 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1654 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1655 | int err; |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1656 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1657 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1658 | pthread_rwlock_wrlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1659 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1660 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1661 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1662 | if (f->conf.debug) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1663 | printf("RMDIR %s\n", path); |
| 1664 | fflush(stdout); |
| 1665 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1666 | fuse_prepare_interrupt(f, req, &d); |
| 1667 | err = fuse_fs_rmdir(f->fs, path); |
| 1668 | fuse_finish_interrupt(f, req, &d); |
| 1669 | if (!err) |
| 1670 | remove_node(f, parent, name); |
Miklos Szeredi | b595861 | 2004-02-20 14:10:49 +0000 | [diff] [blame] | 1671 | free(path); |
| 1672 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1673 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1674 | reply_err(req, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1675 | } |
| 1676 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1677 | static void fuse_lib_symlink(fuse_req_t req, const char *linkname, |
| 1678 | fuse_ino_t parent, const char *name) |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1679 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1680 | struct fuse *f = req_fuse_prepare(req); |
| 1681 | struct fuse_entry_param e; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1682 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1683 | int err; |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1684 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1685 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1686 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1687 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1688 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1689 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1690 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1691 | printf("SYMLINK %s\n", path); |
| 1692 | fflush(stdout); |
| 1693 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1694 | fuse_prepare_interrupt(f, req, &d); |
| 1695 | err = fuse_fs_symlink(f->fs, linkname, path); |
| 1696 | if (!err) |
| 1697 | err = lookup_path(f, parent, name, path, &e, NULL); |
| 1698 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1699 | free(path); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1700 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1701 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1702 | reply_entry(req, &e, err); |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 1703 | } |
| 1704 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1705 | static void fuse_lib_rename(fuse_req_t req, fuse_ino_t olddir, |
| 1706 | const char *oldname, fuse_ino_t newdir, |
| 1707 | const char *newname) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1708 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1709 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1710 | char *oldpath; |
| 1711 | char *newpath; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1712 | int err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1713 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1714 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1715 | pthread_rwlock_wrlock(&f->tree_lock); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1716 | oldpath = get_path_name(f, olddir, oldname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1717 | if (oldpath != NULL) { |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 1718 | newpath = get_path_name(f, newdir, newname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1719 | if (newpath != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1720 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1721 | if (f->conf.debug) { |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1722 | printf("RENAME %s -> %s\n", oldpath, newpath); |
| 1723 | fflush(stdout); |
| 1724 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1725 | err = 0; |
| 1726 | fuse_prepare_interrupt(f, req, &d); |
| 1727 | if (!f->conf.hard_remove && is_open(f, newdir, newname)) |
| 1728 | err = hide_node(f, newpath, newdir, newname); |
| 1729 | if (!err) { |
| 1730 | err = fuse_fs_rename(f->fs, oldpath, newpath); |
| 1731 | if (!err) |
| 1732 | err = rename_node(f, olddir, oldname, newdir, newname, 0); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1733 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1734 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1735 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1736 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1737 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1738 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1739 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1740 | reply_err(req, err); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1741 | } |
| 1742 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1743 | static void fuse_lib_link(fuse_req_t req, fuse_ino_t ino, fuse_ino_t newparent, |
| 1744 | const char *newname) |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1745 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1746 | struct fuse *f = req_fuse_prepare(req); |
| 1747 | struct fuse_entry_param e; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1748 | char *oldpath; |
| 1749 | char *newpath; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1750 | int err; |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1751 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1752 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1753 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1754 | oldpath = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1755 | if (oldpath != NULL) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1756 | newpath = get_path_name(f, newparent, newname); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1757 | if (newpath != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1758 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1759 | if (f->conf.debug) { |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 1760 | printf("LINK %s\n", newpath); |
| 1761 | fflush(stdout); |
| 1762 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1763 | fuse_prepare_interrupt(f, req, &d); |
| 1764 | err = fuse_fs_link(f->fs, oldpath, newpath); |
| 1765 | if (!err) |
| 1766 | err = lookup_path(f, newparent, newname, newpath, &e, NULL); |
| 1767 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1768 | free(newpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1769 | } |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 1770 | free(oldpath); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1771 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1772 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1773 | reply_entry(req, &e, err); |
Miklos Szeredi | 19dff1b | 2001-10-30 15:06:52 +0000 | [diff] [blame] | 1774 | } |
| 1775 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1776 | static void fuse_do_release(struct fuse *f, fuse_ino_t ino, const char *path, |
| 1777 | struct fuse_file_info *fi) |
| 1778 | { |
| 1779 | struct node *node; |
| 1780 | int unlink_hidden = 0; |
| 1781 | |
| 1782 | fuse_fs_release(f->fs, path ? path : "-", fi); |
| 1783 | |
| 1784 | pthread_mutex_lock(&f->lock); |
| 1785 | node = get_node(f, ino); |
| 1786 | assert(node->open_count > 0); |
| 1787 | --node->open_count; |
| 1788 | if (node->is_hidden && !node->open_count) { |
| 1789 | unlink_hidden = 1; |
| 1790 | node->is_hidden = 0; |
| 1791 | } |
| 1792 | pthread_mutex_unlock(&f->lock); |
| 1793 | |
| 1794 | if(unlink_hidden && path) |
| 1795 | fuse_fs_unlink(f->fs, path); |
| 1796 | } |
| 1797 | |
| 1798 | static void fuse_lib_create(fuse_req_t req, fuse_ino_t parent, |
| 1799 | const char *name, mode_t mode, |
| 1800 | struct fuse_file_info *fi) |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1801 | { |
| 1802 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1803 | struct fuse_intr_data d; |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1804 | struct fuse_entry_param e; |
| 1805 | char *path; |
| 1806 | int err; |
| 1807 | |
| 1808 | err = -ENOENT; |
| 1809 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1810 | path = get_path_name(f, parent, name); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1811 | if (path) { |
| 1812 | fuse_prepare_interrupt(f, req, &d); |
| 1813 | err = fuse_fs_create(f->fs, path, mode, fi); |
| 1814 | if (!err) { |
| 1815 | err = lookup_path(f, parent, name, path, &e, fi); |
| 1816 | if (err) |
| 1817 | fuse_fs_release(f->fs, path, fi); |
| 1818 | else if (!S_ISREG(e.attr.st_mode)) { |
| 1819 | err = -EIO; |
| 1820 | fuse_fs_release(f->fs, path, fi); |
| 1821 | forget_node(f, e.ino, 1); |
| 1822 | } else { |
| 1823 | if (f->conf.direct_io) |
| 1824 | fi->direct_io = 1; |
| 1825 | if (f->conf.kernel_cache) |
| 1826 | fi->keep_cache = 1; |
| 1827 | |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1828 | } |
| 1829 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1830 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1831 | } |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1832 | if (!err) { |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1833 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1834 | get_node(f, e.ino)->open_count++; |
| 1835 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1836 | if (fuse_reply_create(req, &e, fi) == -ENOENT) { |
| 1837 | /* The open syscall was interrupted, so it must be cancelled */ |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1838 | fuse_prepare_interrupt(f, req, &d); |
| 1839 | fuse_do_release(f, e.ino, path, fi); |
| 1840 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1841 | forget_node(f, e.ino, 1); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1842 | } else if (f->conf.debug) { |
| 1843 | printf(" CREATE[%llu] flags: 0x%x %s\n", |
| 1844 | (unsigned long long) fi->fh, fi->flags, path); |
| 1845 | fflush(stdout); |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1846 | } |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1847 | } else |
| 1848 | reply_err(req, err); |
| 1849 | |
| 1850 | if (path) |
| 1851 | free(path); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1852 | |
Miklos Szeredi | d9079a7 | 2005-10-26 15:29:06 +0000 | [diff] [blame] | 1853 | pthread_rwlock_unlock(&f->tree_lock); |
| 1854 | } |
| 1855 | |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1856 | static double diff_timespec(const struct timespec *t1, |
| 1857 | const struct timespec *t2) |
| 1858 | { |
| 1859 | return (t1->tv_sec - t2->tv_sec) + |
| 1860 | ((double) t1->tv_nsec - (double) t2->tv_nsec) / 1000000000.0; |
| 1861 | } |
| 1862 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1863 | static void open_auto_cache(struct fuse *f, fuse_ino_t ino, const char *path, |
| 1864 | struct fuse_file_info *fi) |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1865 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1866 | struct node *node; |
| 1867 | |
| 1868 | pthread_mutex_lock(&f->lock); |
| 1869 | node = get_node(f, ino); |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1870 | if (node->cache_valid) { |
| 1871 | struct timespec now; |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1872 | |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1873 | curr_time(&now); |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 1874 | if (diff_timespec(&now, &node->stat_updated) > f->conf.ac_attr_timeout) { |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1875 | struct stat stbuf; |
| 1876 | int err; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1877 | pthread_mutex_unlock(&f->lock); |
| 1878 | err = fuse_fs_fgetattr(f->fs, path, &stbuf, fi); |
| 1879 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1880 | if (!err) |
| 1881 | update_stat(node, &stbuf); |
| 1882 | else |
| 1883 | node->cache_valid = 0; |
| 1884 | } |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1885 | } |
| 1886 | if (node->cache_valid) |
| 1887 | fi->keep_cache = 1; |
Miklos Szeredi | 08dab16 | 2006-02-01 13:39:15 +0000 | [diff] [blame] | 1888 | |
| 1889 | node->cache_valid = 1; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1890 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 1891 | } |
| 1892 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1893 | static void fuse_lib_open(fuse_req_t req, fuse_ino_t ino, |
| 1894 | struct fuse_file_info *fi) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1895 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1896 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1897 | struct fuse_intr_data d; |
Miklos Szeredi | 31066bb | 2005-08-01 14:49:31 +0000 | [diff] [blame] | 1898 | char *path = NULL; |
| 1899 | int err = 0; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1900 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1901 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1902 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1903 | path = get_path(f, ino); |
| 1904 | if (path) { |
| 1905 | fuse_prepare_interrupt(f, req, &d); |
| 1906 | err = fuse_fs_open(f->fs, path, fi); |
| 1907 | if (!err) { |
| 1908 | if (f->conf.direct_io) |
| 1909 | fi->direct_io = 1; |
| 1910 | if (f->conf.kernel_cache) |
| 1911 | fi->keep_cache = 1; |
| 1912 | |
| 1913 | if (f->conf.auto_cache) |
| 1914 | open_auto_cache(f, ino, path, fi); |
| 1915 | } |
| 1916 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 40b9a5a | 2002-12-10 16:09:02 +0000 | [diff] [blame] | 1917 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1918 | if (!err) { |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1919 | pthread_mutex_lock(&f->lock); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1920 | get_node(f, ino)->open_count++; |
| 1921 | pthread_mutex_unlock(&f->lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1922 | if (fuse_reply_open(req, fi) == -ENOENT) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1923 | /* The open syscall was interrupted, so it must be cancelled */ |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1924 | fuse_prepare_interrupt(f, req, &d); |
| 1925 | fuse_do_release(f, ino, path, fi); |
| 1926 | fuse_finish_interrupt(f, req, &d); |
| 1927 | } else if (f->conf.debug) { |
| 1928 | printf("OPEN[%llu] flags: 0x%x %s\n", |
| 1929 | (unsigned long long) fi->fh, fi->flags, path); |
| 1930 | fflush(stdout); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 1931 | } |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1932 | } else |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1933 | reply_err(req, err); |
Miklos Szeredi | 73798f9 | 2004-07-12 15:55:11 +0000 | [diff] [blame] | 1934 | |
Miklos Szeredi | 9a31cca | 2004-06-26 21:11:25 +0000 | [diff] [blame] | 1935 | if (path) |
| 1936 | free(path); |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1937 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 1938 | } |
| 1939 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1940 | static void fuse_lib_read(fuse_req_t req, fuse_ino_t ino, size_t size, |
| 1941 | off_t off, struct fuse_file_info *fi) |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1942 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1943 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1944 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1945 | char *buf; |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1946 | int res; |
| 1947 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1948 | buf = (char *) malloc(size); |
| 1949 | if (buf == NULL) { |
| 1950 | reply_err(req, -ENOMEM); |
| 1951 | return; |
| 1952 | } |
| 1953 | |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1954 | res = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1955 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1956 | path = get_path(f, ino); |
Miklos Szeredi | 7eafcce | 2004-06-19 22:42:38 +0000 | [diff] [blame] | 1957 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1958 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1959 | if (f->conf.debug) { |
Miklos Szeredi | a039f8f | 2006-02-24 16:21:58 +0000 | [diff] [blame] | 1960 | printf("READ[%llu] %lu bytes from %llu\n", |
| 1961 | (unsigned long long) fi->fh, (unsigned long) size, |
| 1962 | (unsigned long long) off); |
Miklos Szeredi | 209f5d0 | 2004-07-24 19:56:16 +0000 | [diff] [blame] | 1963 | fflush(stdout); |
| 1964 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1965 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1966 | fuse_prepare_interrupt(f, req, &d); |
| 1967 | res = fuse_fs_read(f->fs, path, buf, size, off, fi); |
| 1968 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1969 | free(path); |
| 1970 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 1971 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1972 | |
| 1973 | if (res >= 0) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 1974 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 1975 | printf(" READ[%llu] %u bytes\n", (unsigned long long) fi->fh, |
| 1976 | res); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1977 | fflush(stdout); |
| 1978 | } |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 1979 | if ((size_t) res > size) |
| 1980 | fprintf(stderr, "fuse: read too many bytes"); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1981 | fuse_reply_buf(req, buf, res); |
| 1982 | } else |
| 1983 | reply_err(req, res); |
| 1984 | |
| 1985 | free(buf); |
Miklos Szeredi | e2e4ac2 | 2004-05-18 08:45:28 +0000 | [diff] [blame] | 1986 | } |
| 1987 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1988 | static void fuse_lib_write(fuse_req_t req, fuse_ino_t ino, const char *buf, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1989 | size_t size, off_t off, struct fuse_file_info *fi) |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 1990 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1991 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 1992 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 1993 | int res; |
| 1994 | |
| 1995 | res = -ENOENT; |
| 1996 | pthread_rwlock_rdlock(&f->tree_lock); |
| 1997 | path = get_path(f, ino); |
| 1998 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 1999 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2000 | if (f->conf.debug) { |
Miklos Szeredi | a039f8f | 2006-02-24 16:21:58 +0000 | [diff] [blame] | 2001 | printf("WRITE%s[%llu] %lu bytes to %llu\n", |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 2002 | fi->writepage ? "PAGE" : "", (unsigned long long) fi->fh, |
Miklos Szeredi | a039f8f | 2006-02-24 16:21:58 +0000 | [diff] [blame] | 2003 | (unsigned long) size, (unsigned long long) off); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2004 | fflush(stdout); |
| 2005 | } |
| 2006 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2007 | fuse_prepare_interrupt(f, req, &d); |
| 2008 | res = fuse_fs_write(f->fs, path, buf, size, off, fi); |
| 2009 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2010 | free(path); |
| 2011 | } |
| 2012 | pthread_rwlock_unlock(&f->tree_lock); |
| 2013 | |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 2014 | if (res >= 0) { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2015 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 2016 | printf(" WRITE%s[%llu] %u bytes\n", |
| 2017 | fi->writepage ? "PAGE" : "", (unsigned long long) fi->fh, |
| 2018 | res); |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 2019 | fflush(stdout); |
| 2020 | } |
| 2021 | if ((size_t) res > size) |
| 2022 | fprintf(stderr, "fuse: wrote too many bytes"); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2023 | fuse_reply_write(req, res); |
Miklos Szeredi | f412d07 | 2005-10-14 21:24:32 +0000 | [diff] [blame] | 2024 | } else |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2025 | reply_err(req, res); |
| 2026 | } |
| 2027 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2028 | static void fuse_lib_release(fuse_req_t req, fuse_ino_t ino, |
| 2029 | struct fuse_file_info *fi) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2030 | { |
| 2031 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2032 | struct fuse_intr_data d; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2033 | char *path; |
Miklos Szeredi | 4fca432 | 2006-10-01 14:41:04 +0000 | [diff] [blame] | 2034 | int err = 0; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 2035 | |
Miklos Szeredi | aa8258e | 2006-02-25 14:42:03 +0000 | [diff] [blame] | 2036 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2037 | path = get_path(f, ino); |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2038 | if (f->conf.debug) { |
Miklos Szeredi | 4fca432 | 2006-10-01 14:41:04 +0000 | [diff] [blame] | 2039 | printf("RELEASE%s[%llu] flags: 0x%x\n", fi->flush ? "+FLUSH" : "", |
| 2040 | (unsigned long long) fi->fh, fi->flags); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2041 | fflush(stdout); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 2042 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2043 | fuse_prepare_interrupt(f, req, &d); |
| 2044 | if (fi->flush && path) { |
| 2045 | err = fuse_fs_flush(f->fs, path, fi); |
| 2046 | if (err == -ENOSYS) |
| 2047 | err = 0; |
Miklos Szeredi | c3b7681 | 2006-09-16 08:52:09 +0000 | [diff] [blame] | 2048 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2049 | fuse_do_release(f, ino, path, fi); |
| 2050 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 2051 | |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2052 | if (path) |
| 2053 | free(path); |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 2054 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 2055 | |
Miklos Szeredi | 4fca432 | 2006-10-01 14:41:04 +0000 | [diff] [blame] | 2056 | reply_err(req, err); |
Miklos Szeredi | c8ba237 | 2002-12-10 12:26:00 +0000 | [diff] [blame] | 2057 | } |
| 2058 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2059 | static void fuse_lib_fsync(fuse_req_t req, fuse_ino_t ino, int datasync, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2060 | struct fuse_file_info *fi) |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 2061 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2062 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 2063 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2064 | int err; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 2065 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2066 | err = -ENOENT; |
| 2067 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2068 | path = get_path(f, ino); |
| 2069 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2070 | struct fuse_intr_data d; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2071 | if (f->conf.debug) { |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 2072 | printf("FSYNC[%llu]\n", (unsigned long long) fi->fh); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2073 | fflush(stdout); |
| 2074 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2075 | fuse_prepare_interrupt(f, req, &d); |
| 2076 | err = fuse_fs_fsync(f->fs, path, datasync, fi); |
| 2077 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2078 | free(path); |
| 2079 | } |
| 2080 | pthread_rwlock_unlock(&f->tree_lock); |
| 2081 | reply_err(req, err); |
| 2082 | } |
| 2083 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2084 | static struct fuse_dh *get_dirhandle(const struct fuse_file_info *llfi, |
| 2085 | struct fuse_file_info *fi) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2086 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2087 | struct fuse_dh *dh = (struct fuse_dh *) (uintptr_t) llfi->fh; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2088 | memset(fi, 0, sizeof(struct fuse_file_info)); |
| 2089 | fi->fh = dh->fh; |
Miklos Szeredi | ead7f10 | 2005-11-28 16:02:27 +0000 | [diff] [blame] | 2090 | fi->fh_old = dh->fh; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2091 | return dh; |
| 2092 | } |
| 2093 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2094 | static void fuse_lib_opendir(fuse_req_t req, fuse_ino_t ino, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2095 | struct fuse_file_info *llfi) |
| 2096 | { |
| 2097 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2098 | struct fuse_intr_data d; |
| 2099 | struct fuse_dh *dh; |
| 2100 | struct fuse_file_info fi; |
| 2101 | char *path; |
| 2102 | int err; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2103 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2104 | dh = (struct fuse_dh *) malloc(sizeof(struct fuse_dh)); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2105 | if (dh == NULL) { |
| 2106 | reply_err(req, -ENOMEM); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 2107 | return; |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 2108 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2109 | memset(dh, 0, sizeof(struct fuse_dh)); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2110 | dh->fuse = f; |
| 2111 | dh->contents = NULL; |
| 2112 | dh->len = 0; |
| 2113 | dh->filled = 0; |
| 2114 | dh->nodeid = ino; |
Miklos Szeredi | 38f152c | 2006-09-03 18:28:52 +0000 | [diff] [blame] | 2115 | fuse_mutex_init(&dh->lock); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 2116 | |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 2117 | llfi->fh = (uintptr_t) dh; |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 2118 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2119 | memset(&fi, 0, sizeof(fi)); |
| 2120 | fi.flags = llfi->flags; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2121 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2122 | err = -ENOENT; |
| 2123 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2124 | path = get_path(f, ino); |
| 2125 | if (path != NULL) { |
| 2126 | fuse_prepare_interrupt(f, req, &d); |
| 2127 | err = fuse_fs_opendir(f->fs, path, &fi); |
| 2128 | fuse_finish_interrupt(f, req, &d); |
| 2129 | dh->fh = fi.fh; |
| 2130 | } |
| 2131 | if (!err) { |
| 2132 | if (fuse_reply_open(req, llfi) == -ENOENT) { |
| 2133 | /* The opendir syscall was interrupted, so it must be cancelled */ |
| 2134 | fuse_prepare_interrupt(f, req, &d); |
| 2135 | fuse_fs_releasedir(f->fs, path, &fi); |
| 2136 | fuse_finish_interrupt(f, req, &d); |
| 2137 | pthread_mutex_destroy(&dh->lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2138 | free(dh); |
| 2139 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2140 | } else { |
| 2141 | reply_err(req, err); |
| 2142 | free(dh); |
| 2143 | } |
| 2144 | free(path); |
| 2145 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | 5e18348 | 2001-10-31 14:52:35 +0000 | [diff] [blame] | 2146 | } |
Miklos Szeredi | b483c93 | 2001-10-29 14:57:57 +0000 | [diff] [blame] | 2147 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2148 | static int extend_contents(struct fuse_dh *dh, unsigned minsize) |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2149 | { |
| 2150 | if (minsize > dh->size) { |
| 2151 | char *newptr; |
| 2152 | unsigned newsize = dh->size; |
| 2153 | if (!newsize) |
| 2154 | newsize = 1024; |
| 2155 | while (newsize < minsize) |
| 2156 | newsize *= 2; |
| 2157 | |
| 2158 | newptr = (char *) realloc(dh->contents, newsize); |
| 2159 | if (!newptr) { |
| 2160 | dh->error = -ENOMEM; |
| 2161 | return -1; |
| 2162 | } |
| 2163 | dh->contents = newptr; |
| 2164 | dh->size = newsize; |
| 2165 | } |
| 2166 | return 0; |
| 2167 | } |
| 2168 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2169 | static int fill_dir(void *dh_, const char *name, const struct stat *statp, |
| 2170 | off_t off) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2171 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2172 | struct fuse_dh *dh = (struct fuse_dh *) dh_; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2173 | struct stat stbuf; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2174 | size_t newlen; |
Miklos Szeredi | fb28c5e | 2004-11-26 12:15:06 +0000 | [diff] [blame] | 2175 | |
Miklos Szeredi | f6e0ec6 | 2005-08-03 09:11:06 +0000 | [diff] [blame] | 2176 | if (statp) |
| 2177 | stbuf = *statp; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2178 | else { |
| 2179 | memset(&stbuf, 0, sizeof(stbuf)); |
Miklos Szeredi | e248e4b | 2005-12-14 16:18:32 +0000 | [diff] [blame] | 2180 | stbuf.st_ino = FUSE_UNKNOWN_INO; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2181 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2182 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2183 | if (!dh->fuse->conf.use_ino) { |
Miklos Szeredi | e248e4b | 2005-12-14 16:18:32 +0000 | [diff] [blame] | 2184 | stbuf.st_ino = FUSE_UNKNOWN_INO; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2185 | if (dh->fuse->conf.readdir_ino) { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2186 | struct node *node; |
| 2187 | pthread_mutex_lock(&dh->fuse->lock); |
| 2188 | node = lookup_node(dh->fuse, dh->nodeid, name); |
| 2189 | if (node) |
| 2190 | stbuf.st_ino = (ino_t) node->nodeid; |
| 2191 | pthread_mutex_unlock(&dh->fuse->lock); |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 2192 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2193 | } |
Miklos Szeredi | 6ebe234 | 2002-01-06 21:44:16 +0000 | [diff] [blame] | 2194 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2195 | if (off) { |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2196 | if (extend_contents(dh, dh->needlen) == -1) |
| 2197 | return 1; |
| 2198 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2199 | dh->filled = 0; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2200 | newlen = dh->len + fuse_add_direntry(dh->req, dh->contents + dh->len, |
| 2201 | dh->needlen - dh->len, name, |
| 2202 | &stbuf, off); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2203 | if (newlen > dh->needlen) |
| 2204 | return 1; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2205 | } else { |
| 2206 | newlen = dh->len + fuse_add_direntry(dh->req, NULL, 0, name, NULL, 0); |
| 2207 | if (extend_contents(dh, newlen) == -1) |
Miklos Szeredi | c4c12ae | 2005-10-20 14:48:50 +0000 | [diff] [blame] | 2208 | return 1; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2209 | |
| 2210 | fuse_add_direntry(dh->req, dh->contents + dh->len, dh->size - dh->len, |
| 2211 | name, &stbuf, newlen); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2212 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2213 | dh->len = newlen; |
| 2214 | return 0; |
| 2215 | } |
| 2216 | |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2217 | static int readdir_fill(struct fuse *f, fuse_req_t req, fuse_ino_t ino, |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2218 | size_t size, off_t off, struct fuse_dh *dh, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2219 | struct fuse_file_info *fi) |
| 2220 | { |
| 2221 | int err = -ENOENT; |
| 2222 | char *path; |
| 2223 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2224 | path = get_path(f, ino); |
| 2225 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2226 | struct fuse_intr_data d; |
| 2227 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2228 | dh->len = 0; |
| 2229 | dh->error = 0; |
| 2230 | dh->needlen = size; |
| 2231 | dh->filled = 1; |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2232 | dh->req = req; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2233 | fuse_prepare_interrupt(f, req, &d); |
| 2234 | err = fuse_fs_readdir(f->fs, path, dh, fill_dir, off, fi); |
| 2235 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2236 | dh->req = NULL; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2237 | if (!err) |
| 2238 | err = dh->error; |
| 2239 | if (err) |
| 2240 | dh->filled = 0; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 2241 | free(path); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2242 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 2243 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2244 | return err; |
| 2245 | } |
Miklos Szeredi | e518374 | 2005-02-02 11:14:04 +0000 | [diff] [blame] | 2246 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2247 | static void fuse_lib_readdir(fuse_req_t req, fuse_ino_t ino, size_t size, |
| 2248 | off_t off, struct fuse_file_info *llfi) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2249 | { |
| 2250 | struct fuse *f = req_fuse_prepare(req); |
| 2251 | struct fuse_file_info fi; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2252 | struct fuse_dh *dh = get_dirhandle(llfi, &fi); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2253 | |
| 2254 | pthread_mutex_lock(&dh->lock); |
Miklos Szeredi | 77ccf65 | 2005-08-19 14:40:27 +0000 | [diff] [blame] | 2255 | /* According to SUS, directory contents need to be refreshed on |
| 2256 | rewinddir() */ |
| 2257 | if (!off) |
| 2258 | dh->filled = 0; |
| 2259 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2260 | if (!dh->filled) { |
Miklos Szeredi | 1bf64f4 | 2006-02-17 15:49:25 +0000 | [diff] [blame] | 2261 | int err = readdir_fill(f, req, ino, size, off, dh, &fi); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2262 | if (err) { |
| 2263 | reply_err(req, err); |
| 2264 | goto out; |
| 2265 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2266 | } |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2267 | if (dh->filled) { |
| 2268 | if (off < dh->len) { |
| 2269 | if (off + size > dh->len) |
| 2270 | size = dh->len - off; |
| 2271 | } else |
| 2272 | size = 0; |
| 2273 | } else { |
| 2274 | size = dh->len; |
| 2275 | off = 0; |
| 2276 | } |
| 2277 | fuse_reply_buf(req, dh->contents + off, size); |
| 2278 | out: |
| 2279 | pthread_mutex_unlock(&dh->lock); |
| 2280 | } |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2281 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2282 | static void fuse_lib_releasedir(fuse_req_t req, fuse_ino_t ino, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2283 | struct fuse_file_info *llfi) |
| 2284 | { |
| 2285 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2286 | struct fuse_intr_data d; |
Miklos Szeredi | 9b813af | 2005-07-21 07:59:37 +0000 | [diff] [blame] | 2287 | struct fuse_file_info fi; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2288 | struct fuse_dh *dh = get_dirhandle(llfi, &fi); |
| 2289 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2290 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2291 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2292 | path = get_path(f, ino); |
| 2293 | fuse_prepare_interrupt(f, req, &d); |
| 2294 | fuse_fs_releasedir(f->fs, path ? path : "-", &fi); |
| 2295 | fuse_finish_interrupt(f, req, &d); |
| 2296 | if (path) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2297 | free(path); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2298 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2299 | pthread_mutex_lock(&dh->lock); |
| 2300 | pthread_mutex_unlock(&dh->lock); |
| 2301 | pthread_mutex_destroy(&dh->lock); |
| 2302 | free(dh->contents); |
| 2303 | free(dh); |
| 2304 | reply_err(req, 0); |
| 2305 | } |
| 2306 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2307 | static void fuse_lib_fsyncdir(fuse_req_t req, fuse_ino_t ino, int datasync, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2308 | struct fuse_file_info *llfi) |
| 2309 | { |
| 2310 | struct fuse *f = req_fuse_prepare(req); |
| 2311 | struct fuse_file_info fi; |
| 2312 | char *path; |
| 2313 | int err; |
| 2314 | |
| 2315 | get_dirhandle(llfi, &fi); |
| 2316 | |
| 2317 | err = -ENOENT; |
| 2318 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2319 | path = get_path(f, ino); |
| 2320 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2321 | struct fuse_intr_data d; |
| 2322 | fuse_prepare_interrupt(f, req, &d); |
| 2323 | err = fuse_fs_fsyncdir(f->fs, path, datasync, &fi); |
| 2324 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2325 | free(path); |
| 2326 | } |
| 2327 | pthread_rwlock_unlock(&f->tree_lock); |
| 2328 | reply_err(req, err); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2329 | } |
| 2330 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2331 | static void fuse_lib_statfs(fuse_req_t req, fuse_ino_t ino) |
Miklos Szeredi | 18e75e4 | 2004-02-19 14:23:27 +0000 | [diff] [blame] | 2332 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2333 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 2334 | struct statvfs buf; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2335 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2336 | int err; |
Mark Glines | d84b39a | 2002-01-07 16:32:02 +0000 | [diff] [blame] | 2337 | |
Miklos Szeredi | 52cb09d | 2005-11-07 11:59:00 +0000 | [diff] [blame] | 2338 | memset(&buf, 0, sizeof(buf)); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2339 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2340 | if (!ino) { |
| 2341 | err = -ENOMEM; |
| 2342 | path = strdup("/"); |
| 2343 | } else { |
| 2344 | err = -ENOENT; |
| 2345 | path = get_path(f, ino); |
| 2346 | } |
| 2347 | if (path) { |
| 2348 | struct fuse_intr_data d; |
| 2349 | fuse_prepare_interrupt(f, req, &d); |
| 2350 | err = fuse_fs_statfs(f->fs, path, &buf); |
| 2351 | fuse_finish_interrupt(f, req, &d); |
| 2352 | free(path); |
| 2353 | } |
| 2354 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | 77f3994 | 2004-03-25 11:17:52 +0000 | [diff] [blame] | 2355 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2356 | if (!err) |
| 2357 | fuse_reply_statfs(req, &buf); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 2358 | else |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2359 | reply_err(req, err); |
Miklos Szeredi | 03cebae | 2004-03-31 10:19:18 +0000 | [diff] [blame] | 2360 | } |
| 2361 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2362 | static void fuse_lib_setxattr(fuse_req_t req, fuse_ino_t ino, const char *name, |
| 2363 | const char *value, size_t size, int flags) |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 2364 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2365 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 2366 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2367 | int err; |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 2368 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2369 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 2370 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2371 | path = get_path(f, ino); |
Miklos Szeredi | 3ed8423 | 2004-03-30 15:17:26 +0000 | [diff] [blame] | 2372 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2373 | struct fuse_intr_data d; |
| 2374 | fuse_prepare_interrupt(f, req, &d); |
| 2375 | err = fuse_fs_setxattr(f->fs, path, name, value, size, flags); |
| 2376 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2377 | free(path); |
| 2378 | } |
| 2379 | pthread_rwlock_unlock(&f->tree_lock); |
| 2380 | reply_err(req, err); |
| 2381 | } |
| 2382 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2383 | static int common_getxattr(struct fuse *f, fuse_req_t req, fuse_ino_t ino, |
| 2384 | const char *name, char *value, size_t size) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2385 | { |
| 2386 | int err; |
| 2387 | char *path; |
| 2388 | |
| 2389 | err = -ENOENT; |
| 2390 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2391 | path = get_path(f, ino); |
| 2392 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2393 | struct fuse_intr_data d; |
| 2394 | fuse_prepare_interrupt(f, req, &d); |
| 2395 | err = fuse_fs_getxattr(f->fs, path, name, value, size); |
| 2396 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 2397 | free(path); |
| 2398 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 2399 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | ab97456 | 2005-04-07 15:40:21 +0000 | [diff] [blame] | 2400 | return err; |
| 2401 | } |
| 2402 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2403 | static void fuse_lib_getxattr(fuse_req_t req, fuse_ino_t ino, const char *name, |
| 2404 | size_t size) |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 2405 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2406 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 2407 | int res; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2408 | |
| 2409 | if (size) { |
| 2410 | char *value = (char *) malloc(size); |
| 2411 | if (value == NULL) { |
| 2412 | reply_err(req, -ENOMEM); |
| 2413 | return; |
| 2414 | } |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2415 | res = common_getxattr(f, req, ino, name, value, size); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2416 | if (res > 0) |
| 2417 | fuse_reply_buf(req, value, res); |
| 2418 | else |
| 2419 | reply_err(req, res); |
| 2420 | free(value); |
| 2421 | } else { |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2422 | res = common_getxattr(f, req, ino, name, NULL, 0); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2423 | if (res >= 0) |
| 2424 | fuse_reply_xattr(req, res); |
| 2425 | else |
| 2426 | reply_err(req, res); |
| 2427 | } |
| 2428 | } |
| 2429 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2430 | static int common_listxattr(struct fuse *f, fuse_req_t req, fuse_ino_t ino, |
| 2431 | char *list, size_t size) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2432 | { |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 2433 | char *path; |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2434 | int err; |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 2435 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2436 | err = -ENOENT; |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 2437 | pthread_rwlock_rdlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2438 | path = get_path(f, ino); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 2439 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2440 | struct fuse_intr_data d; |
| 2441 | fuse_prepare_interrupt(f, req, &d); |
| 2442 | err = fuse_fs_listxattr(f->fs, path, list, size); |
| 2443 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 2444 | free(path); |
| 2445 | } |
Miklos Szeredi | c2a33ee | 2005-05-09 13:29:17 +0000 | [diff] [blame] | 2446 | pthread_rwlock_unlock(&f->tree_lock); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2447 | return err; |
Miklos Szeredi | 4283ee7 | 2005-03-21 12:09:04 +0000 | [diff] [blame] | 2448 | } |
Miklos Szeredi | 3ead28e | 2005-01-18 21:23:41 +0000 | [diff] [blame] | 2449 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2450 | static void fuse_lib_listxattr(fuse_req_t req, fuse_ino_t ino, size_t size) |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 2451 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2452 | struct fuse *f = req_fuse_prepare(req); |
| 2453 | int res; |
| 2454 | |
| 2455 | if (size) { |
| 2456 | char *list = (char *) malloc(size); |
| 2457 | if (list == NULL) { |
| 2458 | reply_err(req, -ENOMEM); |
| 2459 | return; |
| 2460 | } |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2461 | res = common_listxattr(f, req, ino, list, size); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2462 | if (res > 0) |
| 2463 | fuse_reply_buf(req, list, res); |
| 2464 | else |
| 2465 | reply_err(req, res); |
| 2466 | free(list); |
| 2467 | } else { |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2468 | res = common_listxattr(f, req, ino, NULL, 0); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2469 | if (res >= 0) |
| 2470 | fuse_reply_xattr(req, res); |
| 2471 | else |
| 2472 | reply_err(req, res); |
| 2473 | } |
Miklos Szeredi | 4369643 | 2001-11-18 19:15:05 +0000 | [diff] [blame] | 2474 | } |
| 2475 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2476 | static void fuse_lib_removexattr(fuse_req_t req, fuse_ino_t ino, |
| 2477 | const char *name) |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2478 | { |
| 2479 | struct fuse *f = req_fuse_prepare(req); |
| 2480 | char *path; |
| 2481 | int err; |
| 2482 | |
| 2483 | err = -ENOENT; |
| 2484 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2485 | path = get_path(f, ino); |
| 2486 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2487 | struct fuse_intr_data d; |
| 2488 | fuse_prepare_interrupt(f, req, &d); |
| 2489 | err = fuse_fs_removexattr(f->fs, path, name); |
| 2490 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2491 | free(path); |
| 2492 | } |
| 2493 | pthread_rwlock_unlock(&f->tree_lock); |
| 2494 | reply_err(req, err); |
| 2495 | } |
| 2496 | |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2497 | static struct lock *locks_conflict(struct node *node, const struct lock *lock) |
| 2498 | { |
| 2499 | struct lock *l; |
| 2500 | |
| 2501 | for (l = node->locks; l; l = l->next) |
| 2502 | if (l->owner != lock->owner && |
| 2503 | lock->start <= l->end && l->start <= lock->end && |
| 2504 | (l->type == F_WRLCK || lock->type == F_WRLCK)) |
| 2505 | break; |
| 2506 | |
| 2507 | return l; |
| 2508 | } |
| 2509 | |
| 2510 | static void delete_lock(struct lock **lockp) |
| 2511 | { |
| 2512 | struct lock *l = *lockp; |
| 2513 | *lockp = l->next; |
| 2514 | free(l); |
| 2515 | } |
| 2516 | |
| 2517 | static void insert_lock(struct lock **pos, struct lock *lock) |
| 2518 | { |
| 2519 | lock->next = *pos; |
| 2520 | *pos = lock; |
| 2521 | } |
| 2522 | |
| 2523 | static int locks_insert(struct node *node, struct lock *lock) |
| 2524 | { |
| 2525 | struct lock **lp; |
| 2526 | struct lock *newl1 = NULL; |
| 2527 | struct lock *newl2 = NULL; |
| 2528 | |
| 2529 | if (lock->type != F_UNLCK || lock->start != 0 || lock->end != OFFSET_MAX) { |
| 2530 | newl1 = malloc(sizeof(struct lock)); |
| 2531 | newl2 = malloc(sizeof(struct lock)); |
| 2532 | |
| 2533 | if (!newl1 || !newl2) { |
| 2534 | free(newl1); |
| 2535 | free(newl2); |
| 2536 | return -ENOLCK; |
| 2537 | } |
| 2538 | } |
| 2539 | |
| 2540 | for (lp = &node->locks; *lp;) { |
| 2541 | struct lock *l = *lp; |
| 2542 | if (l->owner != lock->owner) |
| 2543 | goto skip; |
| 2544 | |
| 2545 | if (lock->type == l->type) { |
| 2546 | if (l->end < lock->start - 1) |
| 2547 | goto skip; |
| 2548 | if (lock->end < l->start - 1) |
| 2549 | break; |
| 2550 | if (l->start <= lock->start && lock->end <= l->end) |
| 2551 | goto out; |
| 2552 | if (l->start < lock->start) |
| 2553 | lock->start = l->start; |
| 2554 | if (lock->end < l->end) |
| 2555 | lock->end = l->end; |
| 2556 | goto delete; |
| 2557 | } else { |
| 2558 | if (l->end < lock->start) |
| 2559 | goto skip; |
| 2560 | if (lock->end < l->start) |
| 2561 | break; |
| 2562 | if (lock->start <= l->start && l->end <= lock->end) |
| 2563 | goto delete; |
| 2564 | if (l->end <= lock->end) { |
| 2565 | l->end = lock->start - 1; |
| 2566 | goto skip; |
| 2567 | } |
| 2568 | if (lock->start <= l->start) { |
| 2569 | l->start = lock->end + 1; |
| 2570 | break; |
| 2571 | } |
| 2572 | *newl2 = *l; |
| 2573 | newl2->start = lock->end + 1; |
| 2574 | l->end = lock->start - 1; |
| 2575 | insert_lock(&l->next, newl2); |
| 2576 | newl2 = NULL; |
| 2577 | } |
| 2578 | skip: |
| 2579 | lp = &l->next; |
| 2580 | continue; |
| 2581 | |
| 2582 | delete: |
| 2583 | delete_lock(lp); |
| 2584 | } |
| 2585 | if (lock->type != F_UNLCK) { |
| 2586 | *newl1 = *lock; |
| 2587 | insert_lock(lp, newl1); |
| 2588 | newl1 = NULL; |
| 2589 | } |
| 2590 | out: |
| 2591 | free(newl1); |
| 2592 | free(newl2); |
| 2593 | return 0; |
| 2594 | } |
| 2595 | |
| 2596 | static void flock_to_lock(struct flock *flock, struct lock *lock) |
| 2597 | { |
| 2598 | memset(lock, 0, sizeof(struct lock)); |
| 2599 | lock->type = flock->l_type; |
| 2600 | lock->start = flock->l_start; |
| 2601 | lock->end = flock->l_len ? flock->l_start + flock->l_len - 1 : OFFSET_MAX; |
| 2602 | lock->pid = flock->l_pid; |
| 2603 | } |
| 2604 | |
| 2605 | static void lock_to_flock(struct lock *lock, struct flock *flock) |
| 2606 | { |
| 2607 | flock->l_type = lock->type; |
| 2608 | flock->l_start = lock->start; |
| 2609 | flock->l_len = (lock->end == OFFSET_MAX) ? 0 : lock->end - lock->start + 1; |
| 2610 | flock->l_pid = lock->pid; |
| 2611 | } |
| 2612 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2613 | static void fuse_lib_flush(fuse_req_t req, fuse_ino_t ino, |
Miklos Szeredi | 0740785 | 2006-09-30 20:03:52 +0000 | [diff] [blame] | 2614 | struct fuse_file_info *fi) |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2615 | { |
| 2616 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2617 | struct fuse_intr_data d; |
| 2618 | struct flock lock; |
| 2619 | struct lock l; |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2620 | char *path; |
| 2621 | int err; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2622 | int errlock; |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2623 | |
| 2624 | err = -ENOENT; |
| 2625 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2626 | path = get_path(f, ino); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2627 | if (path && f->conf.debug) { |
| 2628 | printf("FLUSH[%llu]\n", (unsigned long long) fi->fh); |
| 2629 | fflush(stdout); |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2630 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2631 | fuse_prepare_interrupt(f, req, &d); |
| 2632 | if (path) |
| 2633 | err = fuse_fs_flush(f->fs, path, fi); |
| 2634 | |
| 2635 | memset(&lock, 0, sizeof(lock)); |
| 2636 | lock.l_type = F_UNLCK; |
| 2637 | lock.l_whence = SEEK_SET; |
| 2638 | errlock = fuse_fs_lock(f->fs, path, fi, F_SETLK, &lock); |
| 2639 | fuse_finish_interrupt(f, req, &d); |
| 2640 | if (errlock != ENOSYS) { |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2641 | flock_to_lock(&lock, &l); |
Miklos Szeredi | 0740785 | 2006-09-30 20:03:52 +0000 | [diff] [blame] | 2642 | l.owner = fi->lock_owner; |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2643 | pthread_mutex_lock(&f->lock); |
| 2644 | locks_insert(get_node(f, ino), &l); |
| 2645 | pthread_mutex_unlock(&f->lock); |
| 2646 | |
| 2647 | /* if op.lock() is defined FLUSH is needed regardless of op.flush() */ |
| 2648 | if (err == -ENOSYS) |
| 2649 | err = 0; |
| 2650 | } |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2651 | if (path) |
| 2652 | free(path); |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2653 | pthread_rwlock_unlock(&f->tree_lock); |
| 2654 | reply_err(req, err); |
| 2655 | } |
| 2656 | |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 2657 | static int fuse_lock_common(fuse_req_t req, fuse_ino_t ino, |
| 2658 | struct fuse_file_info *fi, struct flock *lock, |
Miklos Szeredi | 0740785 | 2006-09-30 20:03:52 +0000 | [diff] [blame] | 2659 | int cmd) |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 2660 | { |
| 2661 | struct fuse *f = req_fuse_prepare(req); |
| 2662 | char *path; |
| 2663 | int err; |
| 2664 | |
| 2665 | err = -ENOENT; |
| 2666 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2667 | path = get_path(f, ino); |
| 2668 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2669 | struct fuse_intr_data d; |
| 2670 | fuse_prepare_interrupt(f, req, &d); |
| 2671 | err = fuse_fs_lock(f->fs, path, fi, cmd, lock); |
| 2672 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 2673 | free(path); |
| 2674 | } |
| 2675 | pthread_rwlock_unlock(&f->tree_lock); |
| 2676 | return err; |
| 2677 | } |
| 2678 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2679 | static void fuse_lib_getlk(fuse_req_t req, fuse_ino_t ino, |
| 2680 | struct fuse_file_info *fi, struct flock *lock) |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 2681 | { |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2682 | int err; |
| 2683 | struct lock l; |
| 2684 | struct lock *conflict; |
| 2685 | struct fuse *f = req_fuse(req); |
| 2686 | |
| 2687 | flock_to_lock(lock, &l); |
Miklos Szeredi | 0740785 | 2006-09-30 20:03:52 +0000 | [diff] [blame] | 2688 | l.owner = fi->lock_owner; |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2689 | pthread_mutex_lock(&f->lock); |
| 2690 | conflict = locks_conflict(get_node(f, ino), &l); |
| 2691 | if (conflict) |
| 2692 | lock_to_flock(conflict, lock); |
| 2693 | pthread_mutex_unlock(&f->lock); |
| 2694 | if (!conflict) |
Miklos Szeredi | 0740785 | 2006-09-30 20:03:52 +0000 | [diff] [blame] | 2695 | err = fuse_lock_common(req, ino, fi, lock, F_GETLK); |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2696 | else |
| 2697 | err = 0; |
| 2698 | |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 2699 | if (!err) |
| 2700 | fuse_reply_lock(req, lock); |
| 2701 | else |
| 2702 | reply_err(req, err); |
| 2703 | } |
| 2704 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2705 | static void fuse_lib_setlk(fuse_req_t req, fuse_ino_t ino, |
| 2706 | struct fuse_file_info *fi, struct flock *lock, |
| 2707 | int sleep) |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 2708 | { |
Miklos Szeredi | 0740785 | 2006-09-30 20:03:52 +0000 | [diff] [blame] | 2709 | int err = fuse_lock_common(req, ino, fi, lock, sleep ? F_SETLKW : F_SETLK); |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2710 | if (!err) { |
| 2711 | struct fuse *f = req_fuse(req); |
| 2712 | struct lock l; |
| 2713 | flock_to_lock(lock, &l); |
Miklos Szeredi | 0740785 | 2006-09-30 20:03:52 +0000 | [diff] [blame] | 2714 | l.owner = fi->lock_owner; |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2715 | pthread_mutex_lock(&f->lock); |
| 2716 | locks_insert(get_node(f, ino), &l); |
| 2717 | pthread_mutex_unlock(&f->lock); |
| 2718 | } |
| 2719 | reply_err(req, err); |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 2720 | } |
| 2721 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2722 | static void fuse_lib_bmap(fuse_req_t req, fuse_ino_t ino, size_t blocksize, |
| 2723 | uint64_t idx) |
Miklos Szeredi | 708b481 | 2006-09-30 16:02:25 +0000 | [diff] [blame] | 2724 | { |
| 2725 | struct fuse *f = req_fuse_prepare(req); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2726 | struct fuse_intr_data d; |
Miklos Szeredi | 708b481 | 2006-09-30 16:02:25 +0000 | [diff] [blame] | 2727 | char *path; |
| 2728 | int err; |
| 2729 | |
| 2730 | err = -ENOENT; |
| 2731 | pthread_rwlock_rdlock(&f->tree_lock); |
| 2732 | path = get_path(f, ino); |
| 2733 | if (path != NULL) { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2734 | fuse_prepare_interrupt(f, req, &d); |
| 2735 | err = fuse_fs_bmap(f->fs, path, blocksize, &idx); |
| 2736 | fuse_finish_interrupt(f, req, &d); |
Miklos Szeredi | 708b481 | 2006-09-30 16:02:25 +0000 | [diff] [blame] | 2737 | free(path); |
| 2738 | } |
| 2739 | pthread_rwlock_unlock(&f->tree_lock); |
| 2740 | if (!err) |
| 2741 | fuse_reply_bmap(req, idx); |
| 2742 | else |
| 2743 | reply_err(req, err); |
| 2744 | } |
| 2745 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2746 | static struct fuse_lowlevel_ops fuse_path_ops = { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2747 | .init = fuse_lib_init, |
| 2748 | .destroy = fuse_lib_destroy, |
| 2749 | .lookup = fuse_lib_lookup, |
| 2750 | .forget = fuse_lib_forget, |
| 2751 | .getattr = fuse_lib_getattr, |
| 2752 | .setattr = fuse_lib_setattr, |
| 2753 | .access = fuse_lib_access, |
| 2754 | .readlink = fuse_lib_readlink, |
| 2755 | .mknod = fuse_lib_mknod, |
| 2756 | .mkdir = fuse_lib_mkdir, |
| 2757 | .unlink = fuse_lib_unlink, |
| 2758 | .rmdir = fuse_lib_rmdir, |
| 2759 | .symlink = fuse_lib_symlink, |
| 2760 | .rename = fuse_lib_rename, |
| 2761 | .link = fuse_lib_link, |
| 2762 | .create = fuse_lib_create, |
| 2763 | .open = fuse_lib_open, |
| 2764 | .read = fuse_lib_read, |
| 2765 | .write = fuse_lib_write, |
| 2766 | .flush = fuse_lib_flush, |
| 2767 | .release = fuse_lib_release, |
| 2768 | .fsync = fuse_lib_fsync, |
| 2769 | .opendir = fuse_lib_opendir, |
| 2770 | .readdir = fuse_lib_readdir, |
| 2771 | .releasedir = fuse_lib_releasedir, |
| 2772 | .fsyncdir = fuse_lib_fsyncdir, |
| 2773 | .statfs = fuse_lib_statfs, |
| 2774 | .setxattr = fuse_lib_setxattr, |
| 2775 | .getxattr = fuse_lib_getxattr, |
| 2776 | .listxattr = fuse_lib_listxattr, |
| 2777 | .removexattr = fuse_lib_removexattr, |
| 2778 | .getlk = fuse_lib_getlk, |
| 2779 | .setlk = fuse_lib_setlk, |
| 2780 | .bmap = fuse_lib_bmap, |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2781 | }; |
| 2782 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2783 | static void free_cmd(struct fuse_cmd *cmd) |
| 2784 | { |
| 2785 | free(cmd->buf); |
| 2786 | free(cmd); |
| 2787 | } |
| 2788 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2789 | void fuse_process_cmd(struct fuse *f, struct fuse_cmd *cmd) |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2790 | { |
Miklos Szeredi | 178451d | 2005-08-15 13:19:07 +0000 | [diff] [blame] | 2791 | fuse_session_process(f->se, cmd->buf, cmd->buflen, cmd->ch); |
Miklos Szeredi | fa829b5 | 2005-12-02 11:05:41 +0000 | [diff] [blame] | 2792 | free_cmd(cmd); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 2793 | } |
| 2794 | |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2795 | int fuse_exited(struct fuse *f) |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 2796 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2797 | return fuse_session_exited(f->se); |
| 2798 | } |
| 2799 | |
| 2800 | struct fuse_session *fuse_get_session(struct fuse *f) |
| 2801 | { |
| 2802 | return f->se; |
| 2803 | } |
| 2804 | |
| 2805 | static struct fuse_cmd *fuse_alloc_cmd(size_t bufsize) |
| 2806 | { |
| 2807 | struct fuse_cmd *cmd = (struct fuse_cmd *) malloc(sizeof(*cmd)); |
| 2808 | if (cmd == NULL) { |
| 2809 | fprintf(stderr, "fuse: failed to allocate cmd\n"); |
| 2810 | return NULL; |
| 2811 | } |
| 2812 | cmd->buf = (char *) malloc(bufsize); |
| 2813 | if (cmd->buf == NULL) { |
| 2814 | fprintf(stderr, "fuse: failed to allocate read buffer\n"); |
| 2815 | free(cmd); |
| 2816 | return NULL; |
| 2817 | } |
| 2818 | return cmd; |
Miklos Szeredi | 65cf7c7 | 2004-06-30 11:34:56 +0000 | [diff] [blame] | 2819 | } |
| 2820 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2821 | struct fuse_cmd *fuse_read_cmd(struct fuse *f) |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 2822 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2823 | struct fuse_chan *ch = fuse_session_next_chan(f->se, NULL); |
| 2824 | size_t bufsize = fuse_chan_bufsize(ch); |
| 2825 | struct fuse_cmd *cmd = fuse_alloc_cmd(bufsize); |
| 2826 | if (cmd != NULL) { |
Miklos Szeredi | 8d975f6 | 2006-03-17 15:56:05 +0000 | [diff] [blame] | 2827 | int res = fuse_chan_recv(&ch, cmd->buf, bufsize); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2828 | if (res <= 0) { |
| 2829 | free_cmd(cmd); |
Miklos Szeredi | 5d9ce36 | 2006-03-01 12:10:13 +0000 | [diff] [blame] | 2830 | if (res < 0 && res != -EINTR && res != -EAGAIN) |
Miklos Szeredi | fa829b5 | 2005-12-02 11:05:41 +0000 | [diff] [blame] | 2831 | fuse_exit(f); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2832 | return NULL; |
| 2833 | } |
| 2834 | cmd->buflen = res; |
Miklos Szeredi | 178451d | 2005-08-15 13:19:07 +0000 | [diff] [blame] | 2835 | cmd->ch = ch; |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2836 | } |
| 2837 | return cmd; |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 2838 | } |
| 2839 | |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2840 | int fuse_loop(struct fuse *f) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2841 | { |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2842 | if (f) |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2843 | return fuse_session_loop(f->se); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 2844 | else |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 2845 | return -1; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 2846 | } |
| 2847 | |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 2848 | int fuse_invalidate(struct fuse *f, const char *path) |
| 2849 | { |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 2850 | (void) f; |
| 2851 | (void) path; |
| 2852 | return -EINVAL; |
Miklos Szeredi | 891b874 | 2004-07-29 09:27:49 +0000 | [diff] [blame] | 2853 | } |
| 2854 | |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 2855 | void fuse_exit(struct fuse *f) |
| 2856 | { |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 2857 | fuse_session_exit(f->se); |
Miklos Szeredi | 0f48a26 | 2002-12-05 14:23:01 +0000 | [diff] [blame] | 2858 | } |
| 2859 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2860 | struct fuse_context *fuse_get_context(void) |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 2861 | { |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2862 | return &fuse_get_context_internal()->ctx; |
| 2863 | } |
| 2864 | |
| 2865 | int fuse_interrupted(void) |
| 2866 | { |
| 2867 | return fuse_req_interrupted(fuse_get_context_internal()->req); |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 2868 | } |
| 2869 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 2870 | void fuse_set_getcontext_func(struct fuse_context *(*func)(void)) |
Miklos Szeredi | d169f31 | 2004-09-22 08:48:26 +0000 | [diff] [blame] | 2871 | { |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2872 | (void) func; |
| 2873 | /* no-op */ |
Miklos Szeredi | 2e50d43 | 2001-12-20 12:17:25 +0000 | [diff] [blame] | 2874 | } |
| 2875 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2876 | enum { |
| 2877 | KEY_HELP, |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2878 | }; |
| 2879 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2880 | #define FUSE_LIB_OPT(t, p, v) { t, offsetof(struct fuse_config, p), v } |
| 2881 | |
| 2882 | static const struct fuse_opt fuse_lib_opts[] = { |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2883 | FUSE_OPT_KEY("-h", KEY_HELP), |
| 2884 | FUSE_OPT_KEY("--help", KEY_HELP), |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 2885 | FUSE_OPT_KEY("debug", FUSE_OPT_KEY_KEEP), |
| 2886 | FUSE_OPT_KEY("-d", FUSE_OPT_KEY_KEEP), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2887 | FUSE_LIB_OPT("debug", debug, 1), |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 2888 | FUSE_LIB_OPT("-d", debug, 1), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2889 | FUSE_LIB_OPT("hard_remove", hard_remove, 1), |
| 2890 | FUSE_LIB_OPT("use_ino", use_ino, 1), |
| 2891 | FUSE_LIB_OPT("readdir_ino", readdir_ino, 1), |
| 2892 | FUSE_LIB_OPT("direct_io", direct_io, 1), |
| 2893 | FUSE_LIB_OPT("kernel_cache", kernel_cache, 1), |
Miklos Szeredi | 320abe4 | 2006-01-30 18:14:51 +0000 | [diff] [blame] | 2894 | FUSE_LIB_OPT("auto_cache", auto_cache, 1), |
| 2895 | FUSE_LIB_OPT("noauto_cache", auto_cache, 0), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2896 | FUSE_LIB_OPT("umask=", set_mode, 1), |
| 2897 | FUSE_LIB_OPT("umask=%o", umask, 0), |
| 2898 | FUSE_LIB_OPT("uid=", set_uid, 1), |
| 2899 | FUSE_LIB_OPT("uid=%d", uid, 0), |
| 2900 | FUSE_LIB_OPT("gid=", set_gid, 1), |
| 2901 | FUSE_LIB_OPT("gid=%d", gid, 0), |
| 2902 | FUSE_LIB_OPT("entry_timeout=%lf", entry_timeout, 0), |
| 2903 | FUSE_LIB_OPT("attr_timeout=%lf", attr_timeout, 0), |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 2904 | FUSE_LIB_OPT("ac_attr_timeout=%lf", ac_attr_timeout, 0), |
| 2905 | FUSE_LIB_OPT("ac_attr_timeout=", ac_attr_timeout_set, 1), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2906 | FUSE_LIB_OPT("negative_timeout=%lf", negative_timeout, 0), |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2907 | FUSE_LIB_OPT("intr", intr, 1), |
| 2908 | FUSE_LIB_OPT("intr_signal=%d", intr_signal, 0), |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2909 | FUSE_LIB_OPT("modules=%s", modules, 0), |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2910 | FUSE_OPT_END |
| 2911 | }; |
| 2912 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2913 | static void fuse_lib_help(void) |
| 2914 | { |
| 2915 | fprintf(stderr, |
Miklos Szeredi | 0609146 | 2006-02-16 16:38:34 +0000 | [diff] [blame] | 2916 | " -o hard_remove immediate removal (don't hide files)\n" |
| 2917 | " -o use_ino let filesystem set inode numbers\n" |
| 2918 | " -o readdir_ino try to fill in d_ino in readdir\n" |
| 2919 | " -o direct_io use direct I/O\n" |
| 2920 | " -o kernel_cache cache files in kernel\n" |
| 2921 | " -o [no]auto_cache enable caching based on modification times\n" |
| 2922 | " -o umask=M set file permissions (octal)\n" |
| 2923 | " -o uid=N set file owner\n" |
| 2924 | " -o gid=N set file group\n" |
| 2925 | " -o entry_timeout=T cache timeout for names (1.0s)\n" |
| 2926 | " -o negative_timeout=T cache timeout for deleted names (0.0s)\n" |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 2927 | " -o attr_timeout=T cache timeout for attributes (1.0s)\n" |
| 2928 | " -o ac_attr_timeout=T auto cache timeout for attributes (attr_timeout)\n" |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2929 | " -o intr allow requests to be interrupted\n" |
| 2930 | " -o intr_signal=NUM signal to send on interrupt (%i)\n" |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2931 | " -o modules=M1[:M2...] names of modules to push onto filesystem stack\n" |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2932 | "\n", FUSE_DEFAULT_INTR_SIGNAL); |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2933 | } |
| 2934 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2935 | static void fuse_lib_help_modules(void) |
| 2936 | { |
| 2937 | struct fuse_module *m; |
| 2938 | fprintf(stderr, "\nModule options:\n"); |
| 2939 | pthread_mutex_lock(&fuse_context_lock); |
| 2940 | for (m = fuse_modules; m; m = m->next) { |
| 2941 | struct fuse_fs *fs = NULL; |
| 2942 | struct fuse_fs *newfs; |
| 2943 | struct fuse_args args = FUSE_ARGS_INIT(0, NULL); |
| 2944 | if (fuse_opt_add_arg(&args, "") != -1 && |
| 2945 | fuse_opt_add_arg(&args, "-h") != -1) { |
| 2946 | fprintf(stderr, "\n[%s]\n", m->name); |
| 2947 | newfs = m->factory(&args, &fs); |
| 2948 | assert(newfs == NULL); |
| 2949 | } |
| 2950 | fuse_opt_free_args(&args); |
| 2951 | } |
| 2952 | pthread_mutex_unlock(&fuse_context_lock); |
| 2953 | } |
| 2954 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2955 | static int fuse_lib_opt_proc(void *data, const char *arg, int key, |
| 2956 | struct fuse_args *outargs) |
| 2957 | { |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2958 | (void) arg; (void) outargs; |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2959 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2960 | if (key == KEY_HELP) { |
| 2961 | struct fuse_config *conf = (struct fuse_config *) data; |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2962 | fuse_lib_help(); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 2963 | conf->help = 1; |
| 2964 | } |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 2965 | |
| 2966 | return 1; |
| 2967 | } |
| 2968 | |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2969 | int fuse_is_lib_option(const char *opt) |
| 2970 | { |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 2971 | return fuse_lowlevel_is_lib_option(opt) || |
| 2972 | fuse_opt_match(fuse_lib_opts, opt); |
Miklos Szeredi | bd7661b | 2004-07-23 17:16:29 +0000 | [diff] [blame] | 2973 | } |
| 2974 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2975 | static int fuse_init_intr_signal(int signum, int *installed) |
| 2976 | { |
| 2977 | struct sigaction old_sa; |
| 2978 | |
| 2979 | if (sigaction(signum, NULL, &old_sa) == -1) { |
| 2980 | perror("fuse: cannot get old signal handler"); |
| 2981 | return -1; |
| 2982 | } |
| 2983 | |
| 2984 | if (old_sa.sa_handler == SIG_DFL) { |
| 2985 | struct sigaction sa; |
| 2986 | |
| 2987 | memset(&sa, 0, sizeof(struct sigaction)); |
| 2988 | sa.sa_handler = fuse_intr_sighandler; |
Miklos Szeredi | 0c59ebf | 2006-09-10 20:53:36 +0000 | [diff] [blame] | 2989 | sigemptyset(&sa.sa_mask); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 2990 | |
| 2991 | if (sigaction(signum, &sa, NULL) == -1) { |
| 2992 | perror("fuse: cannot set interrupt signal handler"); |
| 2993 | return -1; |
| 2994 | } |
| 2995 | *installed = 1; |
| 2996 | } |
| 2997 | return 0; |
| 2998 | } |
| 2999 | |
Miklos Szeredi | 349bdda | 2006-09-07 11:48:16 +0000 | [diff] [blame] | 3000 | static void fuse_restore_intr_signal(int signum) |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3001 | { |
Miklos Szeredi | 349bdda | 2006-09-07 11:48:16 +0000 | [diff] [blame] | 3002 | struct sigaction sa; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3003 | |
Miklos Szeredi | 349bdda | 2006-09-07 11:48:16 +0000 | [diff] [blame] | 3004 | memset(&sa, 0, sizeof(struct sigaction)); |
| 3005 | sa.sa_handler = SIG_DFL; |
| 3006 | sigaction(signum, &sa, NULL); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3007 | } |
| 3008 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3009 | |
| 3010 | static int fuse_push_module(struct fuse *f, const char *module, |
| 3011 | struct fuse_args *args) |
| 3012 | { |
| 3013 | struct fuse_fs *fs[2] = { f->fs, NULL }; |
| 3014 | struct fuse_fs *newfs; |
| 3015 | struct fuse_module *m = fuse_get_module(module); |
| 3016 | |
| 3017 | if (!m) |
| 3018 | return -1; |
| 3019 | |
| 3020 | newfs = m->factory(args, fs); |
| 3021 | if (!newfs) { |
| 3022 | fuse_put_module(m); |
| 3023 | return -1; |
| 3024 | } |
| 3025 | newfs->m = m; |
| 3026 | f->fs = newfs; |
| 3027 | return 0; |
| 3028 | } |
| 3029 | |
| 3030 | struct fuse_fs *fuse_fs_new(const struct fuse_operations *op, size_t op_size, |
| 3031 | void *user_data) |
| 3032 | { |
| 3033 | struct fuse_fs *fs; |
| 3034 | |
| 3035 | if (sizeof(struct fuse_operations) < op_size) { |
| 3036 | fprintf(stderr, "fuse: warning: library too old, some operations may not not work\n"); |
| 3037 | op_size = sizeof(struct fuse_operations); |
| 3038 | } |
| 3039 | |
| 3040 | fs = (struct fuse_fs *) calloc(1, sizeof(struct fuse_fs)); |
| 3041 | if (!fs) { |
| 3042 | fprintf(stderr, "fuse: failed to allocate fuse_fs object\n"); |
| 3043 | return NULL; |
| 3044 | } |
| 3045 | |
| 3046 | fs->user_data = user_data; |
| 3047 | memcpy(&fs->op, op, op_size); |
| 3048 | return fs; |
| 3049 | } |
| 3050 | |
Miklos Szeredi | 6f38541 | 2006-03-17 15:05:40 +0000 | [diff] [blame] | 3051 | struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args, |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 3052 | const struct fuse_operations *op, |
Miklos Szeredi | 6f38541 | 2006-03-17 15:05:40 +0000 | [diff] [blame] | 3053 | size_t op_size, void *user_data, int compat) |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 3054 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3055 | struct fuse *f; |
| 3056 | struct node *root; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3057 | struct fuse_fs *fs; |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 3058 | struct fuse_lowlevel_ops llop = fuse_path_ops; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 3059 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3060 | if (fuse_create_context_key() == -1) |
| 3061 | goto out; |
| 3062 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3063 | f = (struct fuse *) calloc(1, sizeof(struct fuse)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3064 | if (f == NULL) { |
| 3065 | fprintf(stderr, "fuse: failed to allocate fuse object\n"); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3066 | goto out_delete_context_key; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3067 | } |
Miklos Szeredi | 2df1c04 | 2001-11-06 15:07:17 +0000 | [diff] [blame] | 3068 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3069 | fs = fuse_fs_new(op, op_size, user_data); |
| 3070 | if (!fs) |
| 3071 | goto out_free; |
| 3072 | |
| 3073 | fs->compat = compat; |
| 3074 | f->fs = fs; |
| 3075 | |
| 3076 | /* Oh f**k, this is ugly! */ |
| 3077 | if (!fs->op.lock) { |
| 3078 | llop.getlk = NULL; |
| 3079 | llop.setlk = NULL; |
| 3080 | } |
| 3081 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 3082 | f->conf.entry_timeout = 1.0; |
| 3083 | f->conf.attr_timeout = 1.0; |
| 3084 | f->conf.negative_timeout = 0.0; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3085 | f->conf.intr_signal = FUSE_DEFAULT_INTR_SIGNAL; |
Miklos Szeredi | 6c0209a | 2005-08-02 13:31:28 +0000 | [diff] [blame] | 3086 | |
Miklos Szeredi | ad00597 | 2006-01-07 10:14:34 +0000 | [diff] [blame] | 3087 | if (fuse_opt_parse(args, &f->conf, fuse_lib_opts, fuse_lib_opt_proc) == -1) |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3088 | goto out_free_fs; |
| 3089 | |
| 3090 | if (f->conf.modules) { |
| 3091 | char *module; |
| 3092 | char *next; |
| 3093 | |
| 3094 | for (module = f->conf.modules; module; module = next) { |
| 3095 | char *p; |
| 3096 | for (p = module; *p && *p != ':'; p++); |
| 3097 | next = *p ? p + 1 : NULL; |
| 3098 | *p = '\0'; |
| 3099 | if (module[0] && fuse_push_module(f, module, args) == -1) |
| 3100 | goto out_free_fs; |
| 3101 | } |
| 3102 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3103 | |
Miklos Szeredi | 6e806e9 | 2006-02-16 16:59:39 +0000 | [diff] [blame] | 3104 | if (!f->conf.ac_attr_timeout_set) |
| 3105 | f->conf.ac_attr_timeout = f->conf.attr_timeout; |
| 3106 | |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 3107 | #ifdef __FreeBSD__ |
| 3108 | /* |
| 3109 | * In FreeBSD, we always use these settings as inode numbers are needed to |
| 3110 | * make getcwd(3) work. |
| 3111 | */ |
Miklos Szeredi | 76fc3de | 2005-12-12 09:34:45 +0000 | [diff] [blame] | 3112 | f->conf.readdir_ino = 1; |
Miklos Szeredi | 659743b | 2005-12-09 17:41:42 +0000 | [diff] [blame] | 3113 | #endif |
| 3114 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 3115 | if (compat && compat <= 25) { |
| 3116 | if (fuse_sync_compat_args(args) == -1) |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3117 | goto out_free_fs; |
Miklos Szeredi | 9a5c11d | 2006-07-30 17:33:40 +0000 | [diff] [blame] | 3118 | } |
| 3119 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3120 | f->se = fuse_lowlevel_new_common(args, &llop, sizeof(llop), f); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3121 | if (f->se == NULL) { |
| 3122 | if (f->conf.help) |
| 3123 | fuse_lib_help_modules(); |
| 3124 | goto out_free_fs; |
| 3125 | } |
Miklos Szeredi | 2bb750e | 2005-10-03 14:54:24 +0000 | [diff] [blame] | 3126 | |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 3127 | fuse_session_add_chan(f->se, ch); |
Miklos Szeredi | bd10a7b | 2005-07-15 09:59:59 +0000 | [diff] [blame] | 3128 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3129 | f->ctr = 0; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 3130 | f->generation = 0; |
Miklos Szeredi | fff56ab | 2001-11-16 10:12:59 +0000 | [diff] [blame] | 3131 | /* FIXME: Dynamic hash table */ |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3132 | f->name_table_size = 14057; |
| 3133 | f->name_table = (struct node **) |
| 3134 | calloc(1, sizeof(struct node *) * f->name_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3135 | if (f->name_table == NULL) { |
| 3136 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 3137 | goto out_free_session; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3138 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3139 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3140 | f->id_table_size = 14057; |
| 3141 | f->id_table = (struct node **) |
| 3142 | calloc(1, sizeof(struct node *) * f->id_table_size); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3143 | if (f->id_table == NULL) { |
| 3144 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3145 | goto out_free_name_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3146 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3147 | |
Miklos Szeredi | 38f152c | 2006-09-03 18:28:52 +0000 | [diff] [blame] | 3148 | fuse_mutex_init(&f->lock); |
Miklos Szeredi | d0a777a | 2006-04-05 07:18:00 +0000 | [diff] [blame] | 3149 | pthread_rwlock_init(&f->tree_lock, NULL); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 3150 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3151 | root = (struct node *) calloc(1, sizeof(struct node)); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3152 | if (root == NULL) { |
| 3153 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3154 | goto out_free_id_table; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3155 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3156 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3157 | root->name = strdup("/"); |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3158 | if (root->name == NULL) { |
| 3159 | fprintf(stderr, "fuse: memory allocation failed\n"); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3160 | goto out_free_root; |
Miklos Szeredi | e56818b | 2004-12-12 11:45:24 +0000 | [diff] [blame] | 3161 | } |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3162 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3163 | if (f->conf.intr && |
| 3164 | fuse_init_intr_signal(f->conf.intr_signal, &f->intr_installed) == -1) |
| 3165 | goto out_free_root_name; |
| 3166 | |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3167 | root->parent = 0; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3168 | root->nodeid = FUSE_ROOT_ID; |
Miklos Szeredi | 76f6578 | 2004-02-19 16:55:40 +0000 | [diff] [blame] | 3169 | root->generation = 0; |
Miklos Szeredi | 0f62d72 | 2005-01-04 12:45:54 +0000 | [diff] [blame] | 3170 | root->refctr = 1; |
Miklos Szeredi | 3800902 | 2005-05-08 19:47:22 +0000 | [diff] [blame] | 3171 | root->nlookup = 1; |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3172 | hash_id(f, root); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3173 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 3174 | return f; |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3175 | |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3176 | out_free_root_name: |
| 3177 | free(root->name); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3178 | out_free_root: |
| 3179 | free(root); |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3180 | out_free_id_table: |
| 3181 | free(f->id_table); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3182 | out_free_name_table: |
| 3183 | free(f->name_table); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 3184 | out_free_session: |
| 3185 | fuse_session_destroy(f->se); |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3186 | out_free_fs: |
| 3187 | /* Horrible compatibility hack to stop the destructor from being |
| 3188 | called on the filesystem without init being called first */ |
| 3189 | fs->op.destroy = NULL; |
| 3190 | fuse_fs_destroy(f->fs); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3191 | out_free: |
| 3192 | free(f); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3193 | out_delete_context_key: |
| 3194 | fuse_delete_context_key(); |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3195 | out: |
Miklos Szeredi | b2cf956 | 2004-09-16 08:42:40 +0000 | [diff] [blame] | 3196 | return NULL; |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 3197 | } |
| 3198 | |
Miklos Szeredi | 6f38541 | 2006-03-17 15:05:40 +0000 | [diff] [blame] | 3199 | struct fuse *fuse_new(struct fuse_chan *ch, struct fuse_args *args, |
| 3200 | const struct fuse_operations *op, size_t op_size, |
| 3201 | void *user_data) |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 3202 | { |
Miklos Szeredi | 6f38541 | 2006-03-17 15:05:40 +0000 | [diff] [blame] | 3203 | return fuse_new_common(ch, args, op, op_size, user_data, 0); |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 3204 | } |
| 3205 | |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 3206 | void fuse_destroy(struct fuse *f) |
| 3207 | { |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3208 | size_t i; |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3209 | |
| 3210 | if (f->conf.intr && f->intr_installed) |
| 3211 | fuse_restore_intr_signal(f->conf.intr_signal); |
Miklos Szeredi | ad51956 | 2006-07-31 11:07:40 +0000 | [diff] [blame] | 3212 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3213 | if (f->fs) { |
| 3214 | struct fuse_context_i *c = fuse_get_context_internal(); |
Miklos Szeredi | ad51956 | 2006-07-31 11:07:40 +0000 | [diff] [blame] | 3215 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3216 | memset(c, 0, sizeof(*c)); |
| 3217 | c->ctx.fuse = f; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 3218 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3219 | for (i = 0; i < f->id_table_size; i++) { |
| 3220 | struct node *node; |
| 3221 | |
| 3222 | for (node = f->id_table[i]; node != NULL; node = node->id_next) { |
| 3223 | if (node->is_hidden) { |
| 3224 | char *path = get_path(f, node->nodeid); |
| 3225 | if (path) { |
| 3226 | fuse_fs_unlink(f->fs, path); |
| 3227 | free(path); |
| 3228 | } |
Miklos Szeredi | 21019c9 | 2005-05-09 11:22:41 +0000 | [diff] [blame] | 3229 | } |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 3230 | } |
| 3231 | } |
| 3232 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3233 | for (i = 0; i < f->id_table_size; i++) { |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 3234 | struct node *node; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3235 | struct node *next; |
Miklos Szeredi | 1ea9c96 | 2004-06-24 21:00:00 +0000 | [diff] [blame] | 3236 | |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3237 | for (node = f->id_table[i]; node != NULL; node = next) { |
| 3238 | next = node->id_next; |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3239 | free_node(node); |
| 3240 | } |
| 3241 | } |
Miklos Szeredi | a13d900 | 2004-11-02 17:32:03 +0000 | [diff] [blame] | 3242 | free(f->id_table); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3243 | free(f->name_table); |
Miklos Szeredi | a181e61 | 2001-11-06 12:03:23 +0000 | [diff] [blame] | 3244 | pthread_mutex_destroy(&f->lock); |
Miklos Szeredi | 55a8410 | 2006-06-06 10:16:38 +0000 | [diff] [blame] | 3245 | pthread_rwlock_destroy(&f->tree_lock); |
Miklos Szeredi | a148242 | 2005-08-14 23:00:27 +0000 | [diff] [blame] | 3246 | fuse_session_destroy(f->se); |
Miklos Szeredi | 97c61e9 | 2001-11-07 12:09:43 +0000 | [diff] [blame] | 3247 | free(f); |
Miklos Szeredi | 288ed4e | 2006-09-07 06:02:44 +0000 | [diff] [blame] | 3248 | fuse_delete_context_key(); |
Miklos Szeredi | 85c74fc | 2001-10-28 19:44:14 +0000 | [diff] [blame] | 3249 | } |
Miklos Szeredi | 0b6a0ad | 2004-12-04 00:40:50 +0000 | [diff] [blame] | 3250 | |
Miklos Szeredi | 6f38541 | 2006-03-17 15:05:40 +0000 | [diff] [blame] | 3251 | static struct fuse *fuse_new_common_compat25(int fd, struct fuse_args *args, |
| 3252 | const struct fuse_operations *op, |
| 3253 | size_t op_size, int compat) |
| 3254 | { |
| 3255 | struct fuse *f = NULL; |
| 3256 | struct fuse_chan *ch = fuse_kern_chan_new(fd); |
| 3257 | |
| 3258 | if (ch) |
| 3259 | f = fuse_new_common(ch, args, op, op_size, NULL, compat); |
| 3260 | |
| 3261 | return f; |
| 3262 | } |
| 3263 | |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3264 | /* called with fuse_context_lock held or during initialization (before |
| 3265 | main() has been called) */ |
| 3266 | void fuse_register_module(struct fuse_module *mod) |
| 3267 | { |
Miklos Szeredi | 2f759e1 | 2007-03-14 09:13:27 +0000 | [diff] [blame] | 3268 | mod->ctr = 0; |
Miklos Szeredi | 3a7c00e | 2007-02-03 23:32:47 +0000 | [diff] [blame] | 3269 | mod->so = fuse_current_so; |
| 3270 | if (mod->so) |
| 3271 | mod->so->ctr++; |
| 3272 | mod->next = fuse_modules; |
| 3273 | fuse_modules = mod; |
| 3274 | } |
| 3275 | |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 3276 | #ifndef __FreeBSD__ |
| 3277 | |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3278 | static struct fuse *fuse_new_common_compat(int fd, const char *opts, |
| 3279 | const struct fuse_operations *op, |
| 3280 | size_t op_size, int compat) |
| 3281 | { |
| 3282 | struct fuse *f; |
| 3283 | struct fuse_args args = FUSE_ARGS_INIT(0, NULL); |
| 3284 | |
Miklos Szeredi | 6e7d018 | 2007-01-19 22:11:40 +0000 | [diff] [blame] | 3285 | if (fuse_opt_add_arg(&args, "") == -1) |
| 3286 | return NULL; |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3287 | if (opts && |
Miklos Szeredi | 6e7d018 | 2007-01-19 22:11:40 +0000 | [diff] [blame] | 3288 | (fuse_opt_add_arg(&args, "-o") == -1 || |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3289 | fuse_opt_add_arg(&args, opts) == -1)) { |
| 3290 | fuse_opt_free_args(&args); |
| 3291 | return NULL; |
| 3292 | } |
Miklos Szeredi | 6f38541 | 2006-03-17 15:05:40 +0000 | [diff] [blame] | 3293 | f = fuse_new_common_compat25(fd, &args, op, op_size, compat); |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3294 | fuse_opt_free_args(&args); |
| 3295 | |
| 3296 | return f; |
| 3297 | } |
| 3298 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 3299 | struct fuse *fuse_new_compat22(int fd, const char *opts, |
| 3300 | const struct fuse_operations_compat22 *op, |
| 3301 | size_t op_size) |
| 3302 | { |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3303 | return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, |
| 3304 | op_size, 22); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 3305 | } |
| 3306 | |
| 3307 | struct fuse *fuse_new_compat2(int fd, const char *opts, |
| 3308 | const struct fuse_operations_compat2 *op) |
| 3309 | { |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3310 | return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, |
| 3311 | sizeof(struct fuse_operations_compat2), 21); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 3312 | } |
| 3313 | |
| 3314 | struct fuse *fuse_new_compat1(int fd, int flags, |
| 3315 | const struct fuse_operations_compat1 *op) |
| 3316 | { |
| 3317 | const char *opts = NULL; |
| 3318 | if (flags & FUSE_DEBUG_COMPAT1) |
| 3319 | opts = "debug"; |
Miklos Szeredi | 95da860 | 2006-01-06 18:29:40 +0000 | [diff] [blame] | 3320 | return fuse_new_common_compat(fd, opts, (struct fuse_operations *) op, |
| 3321 | sizeof(struct fuse_operations_compat1), 11); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 3322 | } |
| 3323 | |
Miklos Szeredi | f458b8c | 2004-12-07 16:46:42 +0000 | [diff] [blame] | 3324 | __asm__(".symver fuse_exited,__fuse_exited@"); |
| 3325 | __asm__(".symver fuse_process_cmd,__fuse_process_cmd@"); |
| 3326 | __asm__(".symver fuse_read_cmd,__fuse_read_cmd@"); |
| 3327 | __asm__(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@"); |
| 3328 | __asm__(".symver fuse_new_compat2,fuse_new@"); |
Miklos Szeredi | 3a77047 | 2005-11-11 21:32:42 +0000 | [diff] [blame] | 3329 | __asm__(".symver fuse_new_compat22,fuse_new@FUSE_2.2"); |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 3330 | |
Miklos Szeredi | 9c2ccb4 | 2005-11-17 17:11:48 +0000 | [diff] [blame] | 3331 | #endif /* __FreeBSD__ */ |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 3332 | |
| 3333 | struct fuse *fuse_new_compat25(int fd, struct fuse_args *args, |
| 3334 | const struct fuse_operations_compat25 *op, |
| 3335 | size_t op_size) |
| 3336 | { |
Miklos Szeredi | 6f38541 | 2006-03-17 15:05:40 +0000 | [diff] [blame] | 3337 | return fuse_new_common_compat25(fd, args, (struct fuse_operations *) op, |
| 3338 | op_size, 25); |
Miklos Szeredi | 065f222 | 2006-01-20 15:15:21 +0000 | [diff] [blame] | 3339 | } |
| 3340 | |
| 3341 | __asm__(".symver fuse_new_compat25,fuse_new@FUSE_2.5"); |