Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ioctl.c - NILFS ioctl operations. |
| 3 | * |
| 4 | * Copyright (C) 2007, 2008 Nippon Telegraph and Telephone Corporation. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | * |
| 20 | * Written by Koji Sato <koji@osrg.net>. |
| 21 | */ |
| 22 | |
| 23 | #include <linux/fs.h> |
| 24 | #include <linux/wait.h> |
| 25 | #include <linux/smp_lock.h> /* lock_kernel(), unlock_kernel() */ |
| 26 | #include <linux/capability.h> /* capable() */ |
| 27 | #include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */ |
| 28 | #include <linux/nilfs2_fs.h> |
| 29 | #include "nilfs.h" |
| 30 | #include "segment.h" |
| 31 | #include "bmap.h" |
| 32 | #include "cpfile.h" |
| 33 | #include "sufile.h" |
| 34 | #include "dat.h" |
| 35 | |
| 36 | |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 37 | static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs, |
| 38 | struct nilfs_argv *argv, int dir, |
| 39 | ssize_t (*dofunc)(struct the_nilfs *, |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 40 | __u64 *, int, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 41 | void *, size_t, size_t)) |
| 42 | { |
| 43 | void *buf; |
Ryusuke Konishi | dc498d0 | 2009-04-06 19:01:52 -0700 | [diff] [blame^] | 44 | void __user *base = (void __user *)(unsigned long)argv->v_base; |
Ryusuke Konishi | 3358b4a | 2009-04-06 19:01:43 -0700 | [diff] [blame] | 45 | size_t maxmembs, total, n; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 46 | ssize_t nr; |
| 47 | int ret, i; |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 48 | __u64 pos, ppos; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 49 | |
| 50 | if (argv->v_nmembs == 0) |
| 51 | return 0; |
| 52 | |
Ryusuke Konishi | 3358b4a | 2009-04-06 19:01:43 -0700 | [diff] [blame] | 53 | if (argv->v_size > PAGE_SIZE) |
| 54 | return -EINVAL; |
| 55 | |
| 56 | buf = (void *)__get_free_pages(GFP_NOFS, 0); |
| 57 | if (unlikely(!buf)) |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 58 | return -ENOMEM; |
Ryusuke Konishi | 3358b4a | 2009-04-06 19:01:43 -0700 | [diff] [blame] | 59 | maxmembs = PAGE_SIZE / argv->v_size; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 60 | |
| 61 | ret = 0; |
| 62 | total = 0; |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 63 | pos = argv->v_index; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 64 | for (i = 0; i < argv->v_nmembs; i += n) { |
| 65 | n = (argv->v_nmembs - i < maxmembs) ? |
| 66 | argv->v_nmembs - i : maxmembs; |
| 67 | if ((dir & _IOC_WRITE) && |
Ryusuke Konishi | dc498d0 | 2009-04-06 19:01:52 -0700 | [diff] [blame^] | 68 | copy_from_user(buf, base + argv->v_size * i, |
| 69 | argv->v_size * n)) { |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 70 | ret = -EFAULT; |
| 71 | break; |
| 72 | } |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 73 | ppos = pos; |
Pekka Enberg | 8acfbf0 | 2009-04-06 19:01:49 -0700 | [diff] [blame] | 74 | nr = dofunc(nilfs, &pos, argv->v_flags, buf, argv->v_size, |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 75 | n); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 76 | if (nr < 0) { |
| 77 | ret = nr; |
| 78 | break; |
| 79 | } |
| 80 | if ((dir & _IOC_READ) && |
Ryusuke Konishi | dc498d0 | 2009-04-06 19:01:52 -0700 | [diff] [blame^] | 81 | copy_to_user(base + argv->v_size * i, buf, |
| 82 | argv->v_size * nr)) { |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 83 | ret = -EFAULT; |
| 84 | break; |
| 85 | } |
| 86 | total += nr; |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 87 | if ((size_t)nr < n) |
| 88 | break; |
| 89 | if (pos == ppos) |
| 90 | pos += n; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 91 | } |
| 92 | argv->v_nmembs = total; |
| 93 | |
Ryusuke Konishi | 3358b4a | 2009-04-06 19:01:43 -0700 | [diff] [blame] | 94 | free_pages((unsigned long)buf, 0); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 95 | return ret; |
| 96 | } |
| 97 | |
| 98 | static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp, |
| 99 | unsigned int cmd, void __user *argp) |
| 100 | { |
| 101 | struct inode *cpfile = NILFS_SB(inode->i_sb)->s_nilfs->ns_cpfile; |
| 102 | struct nilfs_transaction_info ti; |
| 103 | struct nilfs_cpmode cpmode; |
| 104 | int ret; |
| 105 | |
| 106 | if (!capable(CAP_SYS_ADMIN)) |
| 107 | return -EPERM; |
| 108 | if (copy_from_user(&cpmode, argp, sizeof(cpmode))) |
| 109 | return -EFAULT; |
| 110 | |
| 111 | nilfs_transaction_begin(inode->i_sb, &ti, 0); |
| 112 | ret = nilfs_cpfile_change_cpmode( |
| 113 | cpfile, cpmode.cm_cno, cpmode.cm_mode); |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 114 | if (unlikely(ret < 0)) { |
| 115 | nilfs_transaction_abort(inode->i_sb); |
| 116 | return ret; |
| 117 | } |
| 118 | nilfs_transaction_commit(inode->i_sb); /* never fails */ |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 119 | return ret; |
| 120 | } |
| 121 | |
| 122 | static int |
| 123 | nilfs_ioctl_delete_checkpoint(struct inode *inode, struct file *filp, |
| 124 | unsigned int cmd, void __user *argp) |
| 125 | { |
| 126 | struct inode *cpfile = NILFS_SB(inode->i_sb)->s_nilfs->ns_cpfile; |
| 127 | struct nilfs_transaction_info ti; |
| 128 | __u64 cno; |
| 129 | int ret; |
| 130 | |
| 131 | if (!capable(CAP_SYS_ADMIN)) |
| 132 | return -EPERM; |
| 133 | if (copy_from_user(&cno, argp, sizeof(cno))) |
| 134 | return -EFAULT; |
| 135 | |
| 136 | nilfs_transaction_begin(inode->i_sb, &ti, 0); |
| 137 | ret = nilfs_cpfile_delete_checkpoint(cpfile, cno); |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 138 | if (unlikely(ret < 0)) { |
| 139 | nilfs_transaction_abort(inode->i_sb); |
| 140 | return ret; |
| 141 | } |
| 142 | nilfs_transaction_commit(inode->i_sb); /* never fails */ |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 143 | return ret; |
| 144 | } |
| 145 | |
| 146 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 147 | nilfs_ioctl_do_get_cpinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 148 | void *buf, size_t size, size_t nmembs) |
| 149 | { |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 150 | return nilfs_cpfile_get_cpinfo(nilfs->ns_cpfile, posp, flags, buf, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 151 | nmembs); |
| 152 | } |
| 153 | |
| 154 | static int nilfs_ioctl_get_cpinfo(struct inode *inode, struct file *filp, |
| 155 | unsigned int cmd, void __user *argp) |
| 156 | { |
| 157 | struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; |
| 158 | struct nilfs_argv argv; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 159 | int ret; |
| 160 | |
| 161 | if (copy_from_user(&argv, argp, sizeof(argv))) |
| 162 | return -EFAULT; |
| 163 | |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 164 | down_read(&nilfs->ns_segctor_sem); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 165 | ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), |
| 166 | nilfs_ioctl_do_get_cpinfo); |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 167 | up_read(&nilfs->ns_segctor_sem); |
| 168 | if (ret < 0) |
| 169 | return ret; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 170 | |
| 171 | if (copy_to_user(argp, &argv, sizeof(argv))) |
| 172 | ret = -EFAULT; |
| 173 | return ret; |
| 174 | } |
| 175 | |
| 176 | static int nilfs_ioctl_get_cpstat(struct inode *inode, struct file *filp, |
| 177 | unsigned int cmd, void __user *argp) |
| 178 | { |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 179 | struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 180 | struct nilfs_cpstat cpstat; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 181 | int ret; |
| 182 | |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 183 | down_read(&nilfs->ns_segctor_sem); |
| 184 | ret = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat); |
| 185 | up_read(&nilfs->ns_segctor_sem); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 186 | if (ret < 0) |
| 187 | return ret; |
| 188 | |
| 189 | if (copy_to_user(argp, &cpstat, sizeof(cpstat))) |
| 190 | ret = -EFAULT; |
| 191 | return ret; |
| 192 | } |
| 193 | |
| 194 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 195 | nilfs_ioctl_do_get_suinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 196 | void *buf, size_t size, size_t nmembs) |
| 197 | { |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 198 | return nilfs_sufile_get_suinfo(nilfs->ns_sufile, *posp, buf, nmembs); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | static int nilfs_ioctl_get_suinfo(struct inode *inode, struct file *filp, |
| 202 | unsigned int cmd, void __user *argp) |
| 203 | { |
| 204 | struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; |
| 205 | struct nilfs_argv argv; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 206 | int ret; |
| 207 | |
| 208 | if (copy_from_user(&argv, argp, sizeof(argv))) |
| 209 | return -EFAULT; |
| 210 | |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 211 | down_read(&nilfs->ns_segctor_sem); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 212 | ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), |
| 213 | nilfs_ioctl_do_get_suinfo); |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 214 | up_read(&nilfs->ns_segctor_sem); |
| 215 | if (ret < 0) |
| 216 | return ret; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 217 | |
| 218 | if (copy_to_user(argp, &argv, sizeof(argv))) |
| 219 | ret = -EFAULT; |
| 220 | return ret; |
| 221 | } |
| 222 | |
| 223 | static int nilfs_ioctl_get_sustat(struct inode *inode, struct file *filp, |
| 224 | unsigned int cmd, void __user *argp) |
| 225 | { |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 226 | struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 227 | struct nilfs_sustat sustat; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 228 | int ret; |
| 229 | |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 230 | down_read(&nilfs->ns_segctor_sem); |
| 231 | ret = nilfs_sufile_get_stat(nilfs->ns_sufile, &sustat); |
| 232 | up_read(&nilfs->ns_segctor_sem); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 233 | if (ret < 0) |
| 234 | return ret; |
| 235 | |
| 236 | if (copy_to_user(argp, &sustat, sizeof(sustat))) |
| 237 | ret = -EFAULT; |
| 238 | return ret; |
| 239 | } |
| 240 | |
| 241 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 242 | nilfs_ioctl_do_get_vinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 243 | void *buf, size_t size, size_t nmembs) |
| 244 | { |
| 245 | return nilfs_dat_get_vinfo(nilfs_dat_inode(nilfs), buf, nmembs); |
| 246 | } |
| 247 | |
| 248 | static int nilfs_ioctl_get_vinfo(struct inode *inode, struct file *filp, |
| 249 | unsigned int cmd, void __user *argp) |
| 250 | { |
| 251 | struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; |
| 252 | struct nilfs_argv argv; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 253 | int ret; |
| 254 | |
| 255 | if (copy_from_user(&argv, argp, sizeof(argv))) |
| 256 | return -EFAULT; |
| 257 | |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 258 | down_read(&nilfs->ns_segctor_sem); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 259 | ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), |
| 260 | nilfs_ioctl_do_get_vinfo); |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 261 | up_read(&nilfs->ns_segctor_sem); |
| 262 | if (ret < 0) |
| 263 | return ret; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 264 | |
| 265 | if (copy_to_user(argp, &argv, sizeof(argv))) |
| 266 | ret = -EFAULT; |
| 267 | return ret; |
| 268 | } |
| 269 | |
| 270 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 271 | nilfs_ioctl_do_get_bdescs(struct the_nilfs *nilfs, __u64 *posp, int flags, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 272 | void *buf, size_t size, size_t nmembs) |
| 273 | { |
| 274 | struct inode *dat = nilfs_dat_inode(nilfs); |
| 275 | struct nilfs_bmap *bmap = NILFS_I(dat)->i_bmap; |
| 276 | struct nilfs_bdesc *bdescs = buf; |
| 277 | int ret, i; |
| 278 | |
| 279 | for (i = 0; i < nmembs; i++) { |
| 280 | ret = nilfs_bmap_lookup_at_level(bmap, |
| 281 | bdescs[i].bd_offset, |
| 282 | bdescs[i].bd_level + 1, |
| 283 | &bdescs[i].bd_blocknr); |
| 284 | if (ret < 0) { |
| 285 | if (ret != -ENOENT) |
| 286 | return ret; |
| 287 | bdescs[i].bd_blocknr = 0; |
| 288 | } |
| 289 | } |
| 290 | return nmembs; |
| 291 | } |
| 292 | |
| 293 | static int nilfs_ioctl_get_bdescs(struct inode *inode, struct file *filp, |
| 294 | unsigned int cmd, void __user *argp) |
| 295 | { |
| 296 | struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; |
| 297 | struct nilfs_argv argv; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 298 | int ret; |
| 299 | |
| 300 | if (copy_from_user(&argv, argp, sizeof(argv))) |
| 301 | return -EFAULT; |
| 302 | |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 303 | down_read(&nilfs->ns_segctor_sem); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 304 | ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), |
| 305 | nilfs_ioctl_do_get_bdescs); |
Ryusuke Konishi | 47420c7 | 2009-04-06 19:01:45 -0700 | [diff] [blame] | 306 | up_read(&nilfs->ns_segctor_sem); |
| 307 | if (ret < 0) |
| 308 | return ret; |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 309 | |
| 310 | if (copy_to_user(argp, &argv, sizeof(argv))) |
| 311 | ret = -EFAULT; |
| 312 | return ret; |
| 313 | } |
| 314 | |
| 315 | static int nilfs_ioctl_move_inode_block(struct inode *inode, |
| 316 | struct nilfs_vdesc *vdesc, |
| 317 | struct list_head *buffers) |
| 318 | { |
| 319 | struct buffer_head *bh; |
| 320 | int ret; |
| 321 | |
| 322 | if (vdesc->vd_flags == 0) |
| 323 | ret = nilfs_gccache_submit_read_data( |
| 324 | inode, vdesc->vd_offset, vdesc->vd_blocknr, |
| 325 | vdesc->vd_vblocknr, &bh); |
| 326 | else |
| 327 | ret = nilfs_gccache_submit_read_node( |
| 328 | inode, vdesc->vd_blocknr, vdesc->vd_vblocknr, &bh); |
| 329 | |
| 330 | if (unlikely(ret < 0)) { |
| 331 | if (ret == -ENOENT) |
| 332 | printk(KERN_CRIT |
| 333 | "%s: invalid virtual block address (%s): " |
| 334 | "ino=%llu, cno=%llu, offset=%llu, " |
| 335 | "blocknr=%llu, vblocknr=%llu\n", |
| 336 | __func__, vdesc->vd_flags ? "node" : "data", |
| 337 | (unsigned long long)vdesc->vd_ino, |
| 338 | (unsigned long long)vdesc->vd_cno, |
| 339 | (unsigned long long)vdesc->vd_offset, |
| 340 | (unsigned long long)vdesc->vd_blocknr, |
| 341 | (unsigned long long)vdesc->vd_vblocknr); |
| 342 | return ret; |
| 343 | } |
| 344 | bh->b_private = vdesc; |
| 345 | list_add_tail(&bh->b_assoc_buffers, buffers); |
| 346 | return 0; |
| 347 | } |
| 348 | |
| 349 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 350 | nilfs_ioctl_do_move_blocks(struct the_nilfs *nilfs, __u64 *posp, int flags, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 351 | void *buf, size_t size, size_t nmembs) |
| 352 | { |
| 353 | struct inode *inode; |
| 354 | struct nilfs_vdesc *vdesc; |
| 355 | struct buffer_head *bh, *n; |
| 356 | LIST_HEAD(buffers); |
| 357 | ino_t ino; |
| 358 | __u64 cno; |
| 359 | int i, ret; |
| 360 | |
| 361 | for (i = 0, vdesc = buf; i < nmembs; ) { |
| 362 | ino = vdesc->vd_ino; |
| 363 | cno = vdesc->vd_cno; |
| 364 | inode = nilfs_gc_iget(nilfs, ino, cno); |
| 365 | if (unlikely(inode == NULL)) { |
| 366 | ret = -ENOMEM; |
| 367 | goto failed; |
| 368 | } |
| 369 | do { |
| 370 | ret = nilfs_ioctl_move_inode_block(inode, vdesc, |
| 371 | &buffers); |
| 372 | if (unlikely(ret < 0)) |
| 373 | goto failed; |
| 374 | vdesc++; |
| 375 | } while (++i < nmembs && |
| 376 | vdesc->vd_ino == ino && vdesc->vd_cno == cno); |
| 377 | } |
| 378 | |
| 379 | list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) { |
| 380 | ret = nilfs_gccache_wait_and_mark_dirty(bh); |
| 381 | if (unlikely(ret < 0)) { |
| 382 | if (ret == -EEXIST) { |
| 383 | vdesc = bh->b_private; |
| 384 | printk(KERN_CRIT |
| 385 | "%s: conflicting %s buffer: " |
| 386 | "ino=%llu, cno=%llu, offset=%llu, " |
| 387 | "blocknr=%llu, vblocknr=%llu\n", |
| 388 | __func__, |
| 389 | vdesc->vd_flags ? "node" : "data", |
| 390 | (unsigned long long)vdesc->vd_ino, |
| 391 | (unsigned long long)vdesc->vd_cno, |
| 392 | (unsigned long long)vdesc->vd_offset, |
| 393 | (unsigned long long)vdesc->vd_blocknr, |
| 394 | (unsigned long long)vdesc->vd_vblocknr); |
| 395 | } |
| 396 | goto failed; |
| 397 | } |
| 398 | list_del_init(&bh->b_assoc_buffers); |
| 399 | bh->b_private = NULL; |
| 400 | brelse(bh); |
| 401 | } |
| 402 | return nmembs; |
| 403 | |
| 404 | failed: |
| 405 | list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) { |
| 406 | list_del_init(&bh->b_assoc_buffers); |
| 407 | bh->b_private = NULL; |
| 408 | brelse(bh); |
| 409 | } |
| 410 | return ret; |
| 411 | } |
| 412 | |
| 413 | static inline int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs, |
| 414 | struct nilfs_argv *argv, |
| 415 | int dir) |
| 416 | { |
| 417 | return nilfs_ioctl_wrap_copy(nilfs, argv, dir, |
| 418 | nilfs_ioctl_do_move_blocks); |
| 419 | } |
| 420 | |
| 421 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 422 | nilfs_ioctl_do_delete_checkpoints(struct the_nilfs *nilfs, __u64 *posp, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 423 | int flags, void *buf, size_t size, |
| 424 | size_t nmembs) |
| 425 | { |
| 426 | struct inode *cpfile = nilfs->ns_cpfile; |
| 427 | struct nilfs_period *periods = buf; |
| 428 | int ret, i; |
| 429 | |
| 430 | for (i = 0; i < nmembs; i++) { |
| 431 | ret = nilfs_cpfile_delete_checkpoints( |
| 432 | cpfile, periods[i].p_start, periods[i].p_end); |
| 433 | if (ret < 0) |
| 434 | return ret; |
| 435 | } |
| 436 | return nmembs; |
| 437 | } |
| 438 | |
| 439 | static inline int nilfs_ioctl_delete_checkpoints(struct the_nilfs *nilfs, |
| 440 | struct nilfs_argv *argv, |
| 441 | int dir) |
| 442 | { |
| 443 | return nilfs_ioctl_wrap_copy(nilfs, argv, dir, |
| 444 | nilfs_ioctl_do_delete_checkpoints); |
| 445 | } |
| 446 | |
| 447 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 448 | nilfs_ioctl_do_free_vblocknrs(struct the_nilfs *nilfs, __u64 *posp, int flags, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 449 | void *buf, size_t size, size_t nmembs) |
| 450 | { |
| 451 | int ret = nilfs_dat_freev(nilfs_dat_inode(nilfs), buf, nmembs); |
| 452 | |
| 453 | return (ret < 0) ? ret : nmembs; |
| 454 | } |
| 455 | |
| 456 | static inline int nilfs_ioctl_free_vblocknrs(struct the_nilfs *nilfs, |
| 457 | struct nilfs_argv *argv, |
| 458 | int dir) |
| 459 | { |
| 460 | return nilfs_ioctl_wrap_copy(nilfs, argv, dir, |
| 461 | nilfs_ioctl_do_free_vblocknrs); |
| 462 | } |
| 463 | |
| 464 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 465 | nilfs_ioctl_do_mark_blocks_dirty(struct the_nilfs *nilfs, __u64 *posp, |
| 466 | int flags, void *buf, size_t size, |
| 467 | size_t nmembs) |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 468 | { |
| 469 | struct inode *dat = nilfs_dat_inode(nilfs); |
| 470 | struct nilfs_bmap *bmap = NILFS_I(dat)->i_bmap; |
| 471 | struct nilfs_bdesc *bdescs = buf; |
| 472 | int ret, i; |
| 473 | |
| 474 | for (i = 0; i < nmembs; i++) { |
| 475 | /* XXX: use macro or inline func to check liveness */ |
| 476 | ret = nilfs_bmap_lookup_at_level(bmap, |
| 477 | bdescs[i].bd_offset, |
| 478 | bdescs[i].bd_level + 1, |
| 479 | &bdescs[i].bd_blocknr); |
| 480 | if (ret < 0) { |
| 481 | if (ret != -ENOENT) |
| 482 | return ret; |
| 483 | bdescs[i].bd_blocknr = 0; |
| 484 | } |
| 485 | if (bdescs[i].bd_blocknr != bdescs[i].bd_oblocknr) |
| 486 | /* skip dead block */ |
| 487 | continue; |
| 488 | if (bdescs[i].bd_level == 0) { |
| 489 | ret = nilfs_mdt_mark_block_dirty(dat, |
| 490 | bdescs[i].bd_offset); |
| 491 | if (ret < 0) { |
| 492 | BUG_ON(ret == -ENOENT); |
| 493 | return ret; |
| 494 | } |
| 495 | } else { |
| 496 | ret = nilfs_bmap_mark(bmap, bdescs[i].bd_offset, |
| 497 | bdescs[i].bd_level); |
| 498 | if (ret < 0) { |
| 499 | BUG_ON(ret == -ENOENT); |
| 500 | return ret; |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | return nmembs; |
| 505 | } |
| 506 | |
| 507 | static inline int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs, |
| 508 | struct nilfs_argv *argv, |
| 509 | int dir) |
| 510 | { |
| 511 | return nilfs_ioctl_wrap_copy(nilfs, argv, dir, |
| 512 | nilfs_ioctl_do_mark_blocks_dirty); |
| 513 | } |
| 514 | |
| 515 | static ssize_t |
Ryusuke Konishi | b028fcf | 2009-04-06 19:01:47 -0700 | [diff] [blame] | 516 | nilfs_ioctl_do_free_segments(struct the_nilfs *nilfs, __u64 *posp, int flags, |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 517 | void *buf, size_t size, size_t nmembs) |
| 518 | { |
| 519 | struct nilfs_sb_info *sbi = nilfs_get_writer(nilfs); |
| 520 | int ret; |
| 521 | |
| 522 | BUG_ON(!sbi); |
| 523 | ret = nilfs_segctor_add_segments_to_be_freed( |
| 524 | NILFS_SC(sbi), buf, nmembs); |
| 525 | nilfs_put_writer(nilfs); |
| 526 | |
| 527 | return (ret < 0) ? ret : nmembs; |
| 528 | } |
| 529 | |
| 530 | static inline int nilfs_ioctl_free_segments(struct the_nilfs *nilfs, |
| 531 | struct nilfs_argv *argv, |
| 532 | int dir) |
| 533 | { |
| 534 | return nilfs_ioctl_wrap_copy(nilfs, argv, dir, |
| 535 | nilfs_ioctl_do_free_segments); |
| 536 | } |
| 537 | |
| 538 | int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, |
| 539 | void __user *argp) |
| 540 | { |
| 541 | struct nilfs_argv argv[5]; |
| 542 | int dir, ret; |
| 543 | |
| 544 | if (copy_from_user(argv, argp, sizeof(argv))) |
| 545 | return -EFAULT; |
| 546 | |
| 547 | dir = _IOC_WRITE; |
| 548 | ret = nilfs_ioctl_move_blocks(nilfs, &argv[0], dir); |
| 549 | if (ret < 0) |
| 550 | goto out_move_blks; |
| 551 | ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], dir); |
| 552 | if (ret < 0) |
| 553 | goto out_del_cps; |
| 554 | ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], dir); |
| 555 | if (ret < 0) |
| 556 | goto out_free_vbns; |
| 557 | ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], dir); |
| 558 | if (ret < 0) |
| 559 | goto out_free_vbns; |
| 560 | ret = nilfs_ioctl_free_segments(nilfs, &argv[4], dir); |
| 561 | if (ret < 0) |
| 562 | goto out_free_segs; |
| 563 | |
| 564 | return 0; |
| 565 | |
| 566 | out_free_segs: |
| 567 | BUG(); /* XXX: not implemented yet */ |
| 568 | out_free_vbns: |
| 569 | BUG();/* XXX: not implemented yet */ |
| 570 | out_del_cps: |
| 571 | BUG();/* XXX: not implemented yet */ |
| 572 | out_move_blks: |
| 573 | nilfs_remove_all_gcinode(nilfs); |
| 574 | return ret; |
| 575 | } |
| 576 | |
| 577 | static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, |
| 578 | unsigned int cmd, void __user *argp) |
| 579 | { |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 580 | if (!capable(CAP_SYS_ADMIN)) |
| 581 | return -EPERM; |
Ryusuke Konishi | 1088dcf | 2009-04-06 19:01:51 -0700 | [diff] [blame] | 582 | return nilfs_clean_segments(inode->i_sb, argp); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | static int nilfs_ioctl_sync(struct inode *inode, struct file *filp, |
| 586 | unsigned int cmd, void __user *argp) |
| 587 | { |
| 588 | __u64 cno; |
| 589 | int ret; |
| 590 | |
| 591 | ret = nilfs_construct_segment(inode->i_sb); |
| 592 | if (ret < 0) |
| 593 | return ret; |
| 594 | |
| 595 | if (argp != NULL) { |
| 596 | cno = NILFS_SB(inode->i_sb)->s_nilfs->ns_cno - 1; |
| 597 | if (copy_to_user(argp, &cno, sizeof(cno))) |
| 598 | return -EFAULT; |
| 599 | } |
| 600 | return 0; |
| 601 | } |
| 602 | |
| 603 | int nilfs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, |
| 604 | unsigned long arg) |
| 605 | { |
| 606 | void __user *argp = (void * __user *)arg; |
| 607 | |
| 608 | switch (cmd) { |
| 609 | case NILFS_IOCTL_CHANGE_CPMODE: |
| 610 | return nilfs_ioctl_change_cpmode(inode, filp, cmd, argp); |
| 611 | case NILFS_IOCTL_DELETE_CHECKPOINT: |
| 612 | return nilfs_ioctl_delete_checkpoint(inode, filp, cmd, argp); |
| 613 | case NILFS_IOCTL_GET_CPINFO: |
| 614 | return nilfs_ioctl_get_cpinfo(inode, filp, cmd, argp); |
| 615 | case NILFS_IOCTL_GET_CPSTAT: |
| 616 | return nilfs_ioctl_get_cpstat(inode, filp, cmd, argp); |
| 617 | case NILFS_IOCTL_GET_SUINFO: |
| 618 | return nilfs_ioctl_get_suinfo(inode, filp, cmd, argp); |
| 619 | case NILFS_IOCTL_GET_SUSTAT: |
| 620 | return nilfs_ioctl_get_sustat(inode, filp, cmd, argp); |
| 621 | case NILFS_IOCTL_GET_VINFO: |
| 622 | /* XXX: rename to ??? */ |
| 623 | return nilfs_ioctl_get_vinfo(inode, filp, cmd, argp); |
| 624 | case NILFS_IOCTL_GET_BDESCS: |
| 625 | return nilfs_ioctl_get_bdescs(inode, filp, cmd, argp); |
| 626 | case NILFS_IOCTL_CLEAN_SEGMENTS: |
| 627 | return nilfs_ioctl_clean_segments(inode, filp, cmd, argp); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 628 | case NILFS_IOCTL_SYNC: |
| 629 | return nilfs_ioctl_sync(inode, filp, cmd, argp); |
| 630 | default: |
| 631 | return -ENOTTY; |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | /* compat_ioctl */ |
| 636 | #ifdef CONFIG_COMPAT |
| 637 | #include <linux/compat.h> |
| 638 | |
| 639 | static int nilfs_compat_locked_ioctl(struct inode *inode, struct file *filp, |
| 640 | unsigned int cmd, unsigned long arg) |
| 641 | { |
| 642 | int ret; |
| 643 | |
| 644 | lock_kernel(); |
| 645 | ret = nilfs_ioctl(inode, filp, cmd, arg); |
| 646 | unlock_kernel(); |
| 647 | return ret; |
| 648 | } |
| 649 | |
| 650 | static int |
| 651 | nilfs_compat_ioctl_uargv32_to_uargv(struct nilfs_argv32 __user *uargv32, |
| 652 | struct nilfs_argv __user *uargv) |
| 653 | { |
| 654 | compat_uptr_t base; |
| 655 | compat_size_t nmembs, size; |
| 656 | compat_int_t index, flags; |
| 657 | |
| 658 | if (get_user(base, &uargv32->v_base) || |
| 659 | put_user(compat_ptr(base), &uargv->v_base) || |
| 660 | get_user(nmembs, &uargv32->v_nmembs) || |
| 661 | put_user(nmembs, &uargv->v_nmembs) || |
| 662 | get_user(size, &uargv32->v_size) || |
| 663 | put_user(size, &uargv->v_size) || |
| 664 | get_user(index, &uargv32->v_index) || |
| 665 | put_user(index, &uargv->v_index) || |
| 666 | get_user(flags, &uargv32->v_flags) || |
| 667 | put_user(flags, &uargv->v_flags)) |
| 668 | return -EFAULT; |
| 669 | return 0; |
| 670 | } |
| 671 | |
| 672 | static int |
| 673 | nilfs_compat_ioctl_uargv_to_uargv32(struct nilfs_argv __user *uargv, |
| 674 | struct nilfs_argv32 __user *uargv32) |
| 675 | { |
| 676 | size_t nmembs; |
| 677 | |
| 678 | if (get_user(nmembs, &uargv->v_nmembs) || |
| 679 | put_user(nmembs, &uargv32->v_nmembs)) |
| 680 | return -EFAULT; |
| 681 | return 0; |
| 682 | } |
| 683 | |
| 684 | static int |
| 685 | nilfs_compat_ioctl_get_by_argv(struct inode *inode, struct file *filp, |
| 686 | unsigned int cmd, unsigned long arg) |
| 687 | { |
| 688 | struct nilfs_argv __user *uargv; |
| 689 | struct nilfs_argv32 __user *uargv32; |
| 690 | int ret; |
| 691 | |
| 692 | uargv = compat_alloc_user_space(sizeof(struct nilfs_argv)); |
| 693 | uargv32 = compat_ptr(arg); |
| 694 | ret = nilfs_compat_ioctl_uargv32_to_uargv(uargv32, uargv); |
| 695 | if (ret < 0) |
| 696 | return ret; |
| 697 | |
| 698 | ret = nilfs_compat_locked_ioctl(inode, filp, cmd, (unsigned long)uargv); |
| 699 | if (ret < 0) |
| 700 | return ret; |
| 701 | |
| 702 | return nilfs_compat_ioctl_uargv_to_uargv32(uargv, uargv32); |
| 703 | } |
| 704 | |
| 705 | static int |
| 706 | nilfs_compat_ioctl_change_cpmode(struct inode *inode, struct file *filp, |
| 707 | unsigned int cmd, unsigned long arg) |
| 708 | { |
| 709 | struct nilfs_cpmode __user *ucpmode; |
| 710 | struct nilfs_cpmode32 __user *ucpmode32; |
| 711 | int mode; |
| 712 | |
| 713 | ucpmode = compat_alloc_user_space(sizeof(struct nilfs_cpmode)); |
| 714 | ucpmode32 = compat_ptr(arg); |
| 715 | if (copy_in_user(&ucpmode->cm_cno, &ucpmode32->cm_cno, |
| 716 | sizeof(__u64)) || |
| 717 | get_user(mode, &ucpmode32->cm_mode) || |
| 718 | put_user(mode, &ucpmode->cm_mode)) |
| 719 | return -EFAULT; |
| 720 | |
| 721 | return nilfs_compat_locked_ioctl( |
| 722 | inode, filp, cmd, (unsigned long)ucpmode); |
| 723 | } |
| 724 | |
| 725 | |
| 726 | static inline int |
| 727 | nilfs_compat_ioctl_delete_checkpoint(struct inode *inode, struct file *filp, |
| 728 | unsigned int cmd, unsigned long arg) |
| 729 | { |
| 730 | return nilfs_compat_locked_ioctl(inode, filp, cmd, arg); |
| 731 | } |
| 732 | |
| 733 | static inline int |
| 734 | nilfs_compat_ioctl_get_cpinfo(struct inode *inode, struct file *filp, |
| 735 | unsigned int cmd, unsigned long arg) |
| 736 | { |
| 737 | return nilfs_compat_ioctl_get_by_argv(inode, filp, cmd, arg); |
| 738 | } |
| 739 | |
| 740 | static inline int |
| 741 | nilfs_compat_ioctl_get_cpstat(struct inode *inode, struct file *filp, |
| 742 | unsigned int cmd, unsigned long arg) |
| 743 | { |
| 744 | return nilfs_compat_locked_ioctl(inode, filp, cmd, arg); |
| 745 | } |
| 746 | |
| 747 | static inline int |
| 748 | nilfs_compat_ioctl_get_suinfo(struct inode *inode, struct file *filp, |
| 749 | unsigned int cmd, unsigned long arg) |
| 750 | { |
| 751 | return nilfs_compat_ioctl_get_by_argv(inode, filp, cmd, arg); |
| 752 | } |
| 753 | |
| 754 | static int |
| 755 | nilfs_compat_ioctl_get_sustat(struct inode *inode, struct file *filp, |
| 756 | unsigned int cmd, unsigned long arg) |
| 757 | { |
| 758 | struct nilfs_sustat __user *usustat; |
| 759 | struct nilfs_sustat32 __user *usustat32; |
| 760 | time_t ctime, nongc_ctime; |
| 761 | int ret; |
| 762 | |
| 763 | usustat = compat_alloc_user_space(sizeof(struct nilfs_sustat)); |
| 764 | ret = nilfs_compat_locked_ioctl(inode, filp, cmd, |
| 765 | (unsigned long)usustat); |
| 766 | if (ret < 0) |
| 767 | return ret; |
| 768 | |
| 769 | usustat32 = compat_ptr(arg); |
| 770 | if (copy_in_user(&usustat32->ss_nsegs, &usustat->ss_nsegs, |
| 771 | sizeof(__u64)) || |
| 772 | copy_in_user(&usustat32->ss_ncleansegs, &usustat->ss_ncleansegs, |
| 773 | sizeof(__u64)) || |
| 774 | copy_in_user(&usustat32->ss_ndirtysegs, &usustat->ss_ndirtysegs, |
| 775 | sizeof(__u64)) || |
| 776 | get_user(ctime, &usustat->ss_ctime) || |
| 777 | put_user(ctime, &usustat32->ss_ctime) || |
| 778 | get_user(nongc_ctime, &usustat->ss_nongc_ctime) || |
| 779 | put_user(nongc_ctime, &usustat32->ss_nongc_ctime)) |
| 780 | return -EFAULT; |
| 781 | return 0; |
| 782 | } |
| 783 | |
| 784 | static inline int |
| 785 | nilfs_compat_ioctl_get_vinfo(struct inode *inode, struct file *filp, |
| 786 | unsigned int cmd, unsigned long arg) |
| 787 | { |
| 788 | return nilfs_compat_ioctl_get_by_argv(inode, filp, cmd, arg); |
| 789 | } |
| 790 | |
| 791 | static inline int |
| 792 | nilfs_compat_ioctl_get_bdescs(struct inode *inode, struct file *filp, |
| 793 | unsigned int cmd, unsigned long arg) |
| 794 | { |
| 795 | return nilfs_compat_ioctl_get_by_argv(inode, filp, cmd, arg); |
| 796 | } |
| 797 | |
| 798 | static int |
| 799 | nilfs_compat_ioctl_clean_segments(struct inode *inode, struct file *filp, |
| 800 | unsigned int cmd, unsigned long arg) |
| 801 | { |
| 802 | struct nilfs_argv __user *uargv; |
| 803 | struct nilfs_argv32 __user *uargv32; |
| 804 | int i, ret; |
| 805 | |
| 806 | uargv = compat_alloc_user_space(sizeof(struct nilfs_argv) * 5); |
| 807 | uargv32 = compat_ptr(arg); |
| 808 | for (i = 0; i < 5; i++) { |
| 809 | ret = nilfs_compat_ioctl_uargv32_to_uargv(&uargv32[i], |
| 810 | &uargv[i]); |
| 811 | if (ret < 0) |
| 812 | return ret; |
| 813 | } |
| 814 | return nilfs_compat_locked_ioctl( |
| 815 | inode, filp, cmd, (unsigned long)uargv); |
| 816 | } |
| 817 | |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 818 | static int nilfs_compat_ioctl_sync(struct inode *inode, struct file *filp, |
| 819 | unsigned int cmd, unsigned long arg) |
| 820 | { |
| 821 | return nilfs_compat_locked_ioctl(inode, filp, cmd, arg); |
| 822 | } |
| 823 | |
| 824 | long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) |
| 825 | { |
| 826 | struct inode *inode = filp->f_dentry->d_inode; |
| 827 | |
| 828 | switch (cmd) { |
| 829 | case NILFS_IOCTL32_CHANGE_CPMODE: |
| 830 | return nilfs_compat_ioctl_change_cpmode( |
| 831 | inode, filp, NILFS_IOCTL_CHANGE_CPMODE, arg); |
| 832 | case NILFS_IOCTL_DELETE_CHECKPOINT: |
| 833 | return nilfs_compat_ioctl_delete_checkpoint( |
| 834 | inode, filp, cmd, arg); |
| 835 | case NILFS_IOCTL32_GET_CPINFO: |
| 836 | return nilfs_compat_ioctl_get_cpinfo( |
| 837 | inode, filp, NILFS_IOCTL_GET_CPINFO, arg); |
| 838 | case NILFS_IOCTL_GET_CPSTAT: |
| 839 | return nilfs_compat_ioctl_get_cpstat(inode, filp, cmd, arg); |
| 840 | case NILFS_IOCTL32_GET_SUINFO: |
| 841 | return nilfs_compat_ioctl_get_suinfo( |
| 842 | inode, filp, NILFS_IOCTL_GET_SUINFO, arg); |
| 843 | case NILFS_IOCTL32_GET_SUSTAT: |
| 844 | return nilfs_compat_ioctl_get_sustat( |
| 845 | inode, filp, NILFS_IOCTL_GET_SUSTAT, arg); |
| 846 | case NILFS_IOCTL32_GET_VINFO: |
| 847 | return nilfs_compat_ioctl_get_vinfo( |
| 848 | inode, filp, NILFS_IOCTL_GET_VINFO, arg); |
| 849 | case NILFS_IOCTL32_GET_BDESCS: |
| 850 | return nilfs_compat_ioctl_get_bdescs( |
| 851 | inode, filp, NILFS_IOCTL_GET_BDESCS, arg); |
| 852 | case NILFS_IOCTL32_CLEAN_SEGMENTS: |
| 853 | return nilfs_compat_ioctl_clean_segments( |
| 854 | inode, filp, NILFS_IOCTL_CLEAN_SEGMENTS, arg); |
Koji Sato | 7942b91 | 2009-04-06 19:01:41 -0700 | [diff] [blame] | 855 | case NILFS_IOCTL_SYNC: |
| 856 | return nilfs_compat_ioctl_sync(inode, filp, cmd, arg); |
| 857 | default: |
| 858 | return -ENOIOCTLCMD; |
| 859 | } |
| 860 | } |
| 861 | #endif |