blob: a290ff6ec7569dc3b5eea9ded2df0e8483c49d65 [file] [log] [blame]
Mike Marshall274dcf52015-07-17 10:38:13 -04001/*
2 * (C) 2001 Clemson University and The University of Chicago
3 *
4 * See COPYING in top-level directory.
5 */
6
7/*
8 * Linux VFS namei operations.
9 */
10
11#include "protocol.h"
Mike Marshall575e9462015-12-04 12:56:14 -050012#include "orangefs-kernel.h"
Mike Marshall274dcf52015-07-17 10:38:13 -040013
14/*
15 * Get a newly allocated inode to go with a negative dentry.
16 */
Yi Liu8bb8aef2015-11-24 15:12:14 -050017static int orangefs_create(struct inode *dir,
Mike Marshall274dcf52015-07-17 10:38:13 -040018 struct dentry *dentry,
19 umode_t mode,
20 bool exclusive)
21{
Yi Liu8bb8aef2015-11-24 15:12:14 -050022 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
23 struct orangefs_kernel_op_s *new_op;
Mike Marshall274dcf52015-07-17 10:38:13 -040024 struct inode *inode;
25 int ret;
26
Al Virof66debf2016-08-07 12:20:01 -040027 gossip_debug(GOSSIP_NAME_DEBUG, "%s: %pd\n",
Mike Marshall52534872016-02-16 17:09:09 -050028 __func__,
Al Virof66debf2016-08-07 12:20:01 -040029 dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -040030
Yi Liu8bb8aef2015-11-24 15:12:14 -050031 new_op = op_alloc(ORANGEFS_VFS_OP_CREATE);
Mike Marshall274dcf52015-07-17 10:38:13 -040032 if (!new_op)
33 return -ENOMEM;
34
35 new_op->upcall.req.create.parent_refn = parent->refn;
36
37 fill_default_sys_attrs(new_op->upcall.req.create.attributes,
Yi Liu8bb8aef2015-11-24 15:12:14 -050038 ORANGEFS_TYPE_METAFILE, mode);
Mike Marshall274dcf52015-07-17 10:38:13 -040039
40 strncpy(new_op->upcall.req.create.d_name,
Martin Brandenburg47b49482016-02-20 14:22:40 -050041 dentry->d_name.name, ORANGEFS_NAME_MAX);
Mike Marshall274dcf52015-07-17 10:38:13 -040042
43 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
44
45 gossip_debug(GOSSIP_NAME_DEBUG,
Al Virof66debf2016-08-07 12:20:01 -040046 "%s: %pd: handle:%pU: fsid:%d: new_op:%p: ret:%d:\n",
Mike Marshall52534872016-02-16 17:09:09 -050047 __func__,
Al Virof66debf2016-08-07 12:20:01 -040048 dentry,
Mike Marshall274dcf52015-07-17 10:38:13 -040049 &new_op->downcall.resp.create.refn.khandle,
Mike Marshall52534872016-02-16 17:09:09 -050050 new_op->downcall.resp.create.refn.fs_id,
51 new_op,
52 ret);
Mike Marshall274dcf52015-07-17 10:38:13 -040053
Mike Marshall52534872016-02-16 17:09:09 -050054 if (ret < 0)
Mike Marshall274dcf52015-07-17 10:38:13 -040055 goto out;
Mike Marshall274dcf52015-07-17 10:38:13 -040056
Yi Liu8bb8aef2015-11-24 15:12:14 -050057 inode = orangefs_new_inode(dir->i_sb, dir, S_IFREG | mode, 0,
Mike Marshall274dcf52015-07-17 10:38:13 -040058 &new_op->downcall.resp.create.refn);
59 if (IS_ERR(inode)) {
Al Virof66debf2016-08-07 12:20:01 -040060 gossip_err("%s: Failed to allocate inode for file :%pd:\n",
Mike Marshall52534872016-02-16 17:09:09 -050061 __func__,
Al Virof66debf2016-08-07 12:20:01 -040062 dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -040063 ret = PTR_ERR(inode);
64 goto out;
65 }
66
67 gossip_debug(GOSSIP_NAME_DEBUG,
Al Virof66debf2016-08-07 12:20:01 -040068 "%s: Assigned inode :%pU: for file :%pd:\n",
Mike Marshall52534872016-02-16 17:09:09 -050069 __func__,
70 get_khandle_from_ino(inode),
Al Virof66debf2016-08-07 12:20:01 -040071 dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -040072
73 d_instantiate(dentry, inode);
74 unlock_new_inode(inode);
Miklos Szeredi804b1732016-10-17 10:14:23 +020075 orangefs_set_timeout(dentry);
Martin Brandenburg8bbb20a2016-07-28 14:46:36 -040076 ORANGEFS_I(inode)->getattr_time = jiffies - 1;
Mike Marshall274dcf52015-07-17 10:38:13 -040077
78 gossip_debug(GOSSIP_NAME_DEBUG,
Al Virof66debf2016-08-07 12:20:01 -040079 "%s: dentry instantiated for %pd\n",
Mike Marshall52534872016-02-16 17:09:09 -050080 __func__,
Al Virof66debf2016-08-07 12:20:01 -040081 dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -040082
83 SetMtimeFlag(parent);
Deepa Dinamanic2050a42016-09-14 07:48:06 -070084 dir->i_mtime = dir->i_ctime = current_time(dir);
Mike Marshall274dcf52015-07-17 10:38:13 -040085 mark_inode_dirty_sync(dir);
86 ret = 0;
87out:
88 op_release(new_op);
Mike Marshall52534872016-02-16 17:09:09 -050089 gossip_debug(GOSSIP_NAME_DEBUG,
Al Virof66debf2016-08-07 12:20:01 -040090 "%s: %pd: returning %d\n",
Mike Marshall52534872016-02-16 17:09:09 -050091 __func__,
Al Virof66debf2016-08-07 12:20:01 -040092 dentry,
Mike Marshall52534872016-02-16 17:09:09 -050093 ret);
Mike Marshall274dcf52015-07-17 10:38:13 -040094 return ret;
95}
96
97/*
98 * Attempt to resolve an object name (dentry->d_name), parent handle, and
99 * fsid into a handle for the object.
100 */
Yi Liu8bb8aef2015-11-24 15:12:14 -0500101static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry,
Mike Marshall274dcf52015-07-17 10:38:13 -0400102 unsigned int flags)
103{
Yi Liu8bb8aef2015-11-24 15:12:14 -0500104 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
105 struct orangefs_kernel_op_s *new_op;
Mike Marshall274dcf52015-07-17 10:38:13 -0400106 struct inode *inode;
107 struct dentry *res;
108 int ret = -EINVAL;
109
110 /*
111 * in theory we could skip a lookup here (if the intent is to
112 * create) in order to avoid a potentially failed lookup, but
113 * leaving it in can skip a valid lookup and try to create a file
114 * that already exists (e.g. the vfs already handles checking for
115 * -EEXIST on O_EXCL opens, which is broken if we skip this lookup
116 * in the create path)
117 */
Al Virof66debf2016-08-07 12:20:01 -0400118 gossip_debug(GOSSIP_NAME_DEBUG, "%s called on %pd\n",
119 __func__, dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -0400120
Martin Brandenburg47b49482016-02-20 14:22:40 -0500121 if (dentry->d_name.len > (ORANGEFS_NAME_MAX - 1))
Mike Marshall274dcf52015-07-17 10:38:13 -0400122 return ERR_PTR(-ENAMETOOLONG);
123
Yi Liu8bb8aef2015-11-24 15:12:14 -0500124 new_op = op_alloc(ORANGEFS_VFS_OP_LOOKUP);
Mike Marshall274dcf52015-07-17 10:38:13 -0400125 if (!new_op)
126 return ERR_PTR(-ENOMEM);
127
Mike Marshall7cec28e2015-12-11 10:46:22 -0500128 new_op->upcall.req.lookup.sym_follow = ORANGEFS_LOOKUP_LINK_NO_FOLLOW;
Mike Marshall274dcf52015-07-17 10:38:13 -0400129
130 gossip_debug(GOSSIP_NAME_DEBUG, "%s:%s:%d using parent %pU\n",
131 __FILE__,
132 __func__,
133 __LINE__,
134 &parent->refn.khandle);
135 new_op->upcall.req.lookup.parent_refn = parent->refn;
136
137 strncpy(new_op->upcall.req.lookup.d_name, dentry->d_name.name,
Martin Brandenburg47b49482016-02-20 14:22:40 -0500138 ORANGEFS_NAME_MAX);
Mike Marshall274dcf52015-07-17 10:38:13 -0400139
140 gossip_debug(GOSSIP_NAME_DEBUG,
Martin Brandenburg6ceaf782016-02-20 14:47:13 -0500141 "%s: doing lookup on %s under %pU,%d\n",
Mike Marshall274dcf52015-07-17 10:38:13 -0400142 __func__,
143 new_op->upcall.req.lookup.d_name,
144 &new_op->upcall.req.lookup.parent_refn.khandle,
Martin Brandenburg6ceaf782016-02-20 14:47:13 -0500145 new_op->upcall.req.lookup.parent_refn.fs_id);
Mike Marshall274dcf52015-07-17 10:38:13 -0400146
147 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
148
149 gossip_debug(GOSSIP_NAME_DEBUG,
150 "Lookup Got %pU, fsid %d (ret=%d)\n",
151 &new_op->downcall.resp.lookup.refn.khandle,
152 new_op->downcall.resp.lookup.refn.fs_id,
153 ret);
154
155 if (ret < 0) {
156 if (ret == -ENOENT) {
157 /*
158 * if no inode was found, add a negative dentry to
159 * dcache anyway; if we don't, we don't hold expected
160 * lookup semantics and we most noticeably break
161 * during directory renames.
162 *
163 * however, if the operation failed or exited, do not
164 * add the dentry (e.g. in the case that a touch is
165 * issued on a file that already exists that was
166 * interrupted during this lookup -- no need to add
167 * another negative dentry for an existing file)
168 */
169
170 gossip_debug(GOSSIP_NAME_DEBUG,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500171 "orangefs_lookup: Adding *negative* dentry "
Al Virof66debf2016-08-07 12:20:01 -0400172 "%p for %pd\n",
Mike Marshall274dcf52015-07-17 10:38:13 -0400173 dentry,
Al Virof66debf2016-08-07 12:20:01 -0400174 dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -0400175
176 d_add(dentry, NULL);
177 res = NULL;
178 goto out;
179 }
180
181 /* must be a non-recoverable error */
182 res = ERR_PTR(ret);
183 goto out;
184 }
185
Miklos Szeredi804b1732016-10-17 10:14:23 +0200186 orangefs_set_timeout(dentry);
Martin Brandenburg31b7c1a2016-02-08 17:01:29 -0500187
Yi Liu8bb8aef2015-11-24 15:12:14 -0500188 inode = orangefs_iget(dir->i_sb, &new_op->downcall.resp.lookup.refn);
Mike Marshall274dcf52015-07-17 10:38:13 -0400189 if (IS_ERR(inode)) {
190 gossip_debug(GOSSIP_NAME_DEBUG,
191 "error %ld from iget\n", PTR_ERR(inode));
192 res = ERR_CAST(inode);
193 goto out;
194 }
195
Martin Brandenburg8bbb20a2016-07-28 14:46:36 -0400196 ORANGEFS_I(inode)->getattr_time = jiffies - 1;
Martin Brandenburg71680c12016-06-09 16:32:38 -0400197
Mike Marshall274dcf52015-07-17 10:38:13 -0400198 gossip_debug(GOSSIP_NAME_DEBUG,
199 "%s:%s:%d "
200 "Found good inode [%lu] with count [%d]\n",
201 __FILE__,
202 __func__,
203 __LINE__,
204 inode->i_ino,
205 (int)atomic_read(&inode->i_count));
206
207 /* update dentry/inode pair into dcache */
208 res = d_splice_alias(inode, dentry);
209
210 gossip_debug(GOSSIP_NAME_DEBUG,
211 "Lookup success (inode ct = %d)\n",
212 (int)atomic_read(&inode->i_count));
213out:
214 op_release(new_op);
215 return res;
216}
217
218/* return 0 on success; non-zero otherwise */
Yi Liu8bb8aef2015-11-24 15:12:14 -0500219static int orangefs_unlink(struct inode *dir, struct dentry *dentry)
Mike Marshall274dcf52015-07-17 10:38:13 -0400220{
221 struct inode *inode = dentry->d_inode;
Yi Liu8bb8aef2015-11-24 15:12:14 -0500222 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
223 struct orangefs_kernel_op_s *new_op;
Mike Marshall274dcf52015-07-17 10:38:13 -0400224 int ret;
225
226 gossip_debug(GOSSIP_NAME_DEBUG,
Al Virof66debf2016-08-07 12:20:01 -0400227 "%s: called on %pd\n"
Mike Marshall274dcf52015-07-17 10:38:13 -0400228 " (inode %pU): Parent is %pU | fs_id %d\n",
229 __func__,
Al Virof66debf2016-08-07 12:20:01 -0400230 dentry,
Mike Marshall274dcf52015-07-17 10:38:13 -0400231 get_khandle_from_ino(inode),
232 &parent->refn.khandle,
233 parent->refn.fs_id);
234
Yi Liu8bb8aef2015-11-24 15:12:14 -0500235 new_op = op_alloc(ORANGEFS_VFS_OP_REMOVE);
Mike Marshall274dcf52015-07-17 10:38:13 -0400236 if (!new_op)
237 return -ENOMEM;
238
239 new_op->upcall.req.remove.parent_refn = parent->refn;
240 strncpy(new_op->upcall.req.remove.d_name, dentry->d_name.name,
Martin Brandenburg47b49482016-02-20 14:22:40 -0500241 ORANGEFS_NAME_MAX);
Mike Marshall274dcf52015-07-17 10:38:13 -0400242
Yi Liu8bb8aef2015-11-24 15:12:14 -0500243 ret = service_operation(new_op, "orangefs_unlink",
Mike Marshall274dcf52015-07-17 10:38:13 -0400244 get_interruptible_flag(inode));
245
Mike Marshall52534872016-02-16 17:09:09 -0500246 gossip_debug(GOSSIP_NAME_DEBUG,
247 "%s: service_operation returned:%d:\n",
248 __func__,
249 ret);
250
Mike Marshall274dcf52015-07-17 10:38:13 -0400251 op_release(new_op);
252
253 if (!ret) {
254 drop_nlink(inode);
255
256 SetMtimeFlag(parent);
Deepa Dinamanic2050a42016-09-14 07:48:06 -0700257 dir->i_mtime = dir->i_ctime = current_time(dir);
Mike Marshall274dcf52015-07-17 10:38:13 -0400258 mark_inode_dirty_sync(dir);
259 }
260 return ret;
261}
262
Yi Liu8bb8aef2015-11-24 15:12:14 -0500263static int orangefs_symlink(struct inode *dir,
Mike Marshall274dcf52015-07-17 10:38:13 -0400264 struct dentry *dentry,
265 const char *symname)
266{
Yi Liu8bb8aef2015-11-24 15:12:14 -0500267 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
268 struct orangefs_kernel_op_s *new_op;
Mike Marshall274dcf52015-07-17 10:38:13 -0400269 struct inode *inode;
270 int mode = 755;
271 int ret;
272
273 gossip_debug(GOSSIP_NAME_DEBUG, "%s: called\n", __func__);
274
275 if (!symname)
276 return -EINVAL;
277
Martin Brandenburgc62da582016-02-29 16:07:35 -0500278 if (strlen(symname)+1 > ORANGEFS_NAME_MAX)
279 return -ENAMETOOLONG;
280
Yi Liu8bb8aef2015-11-24 15:12:14 -0500281 new_op = op_alloc(ORANGEFS_VFS_OP_SYMLINK);
Mike Marshall274dcf52015-07-17 10:38:13 -0400282 if (!new_op)
283 return -ENOMEM;
284
285 new_op->upcall.req.sym.parent_refn = parent->refn;
286
287 fill_default_sys_attrs(new_op->upcall.req.sym.attributes,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500288 ORANGEFS_TYPE_SYMLINK,
Mike Marshall274dcf52015-07-17 10:38:13 -0400289 mode);
290
291 strncpy(new_op->upcall.req.sym.entry_name,
292 dentry->d_name.name,
Martin Brandenburg47b49482016-02-20 14:22:40 -0500293 ORANGEFS_NAME_MAX);
294 strncpy(new_op->upcall.req.sym.target, symname, ORANGEFS_NAME_MAX);
Mike Marshall274dcf52015-07-17 10:38:13 -0400295
296 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
297
298 gossip_debug(GOSSIP_NAME_DEBUG,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500299 "Symlink Got ORANGEFS handle %pU on fsid %d (ret=%d)\n",
Mike Marshall274dcf52015-07-17 10:38:13 -0400300 &new_op->downcall.resp.sym.refn.khandle,
301 new_op->downcall.resp.sym.refn.fs_id, ret);
302
303 if (ret < 0) {
304 gossip_debug(GOSSIP_NAME_DEBUG,
305 "%s: failed with error code %d\n",
306 __func__, ret);
307 goto out;
308 }
309
Yi Liu8bb8aef2015-11-24 15:12:14 -0500310 inode = orangefs_new_inode(dir->i_sb, dir, S_IFLNK | mode, 0,
Mike Marshall274dcf52015-07-17 10:38:13 -0400311 &new_op->downcall.resp.sym.refn);
312 if (IS_ERR(inode)) {
313 gossip_err
Yi Liu8bb8aef2015-11-24 15:12:14 -0500314 ("*** Failed to allocate orangefs symlink inode\n");
Mike Marshall274dcf52015-07-17 10:38:13 -0400315 ret = PTR_ERR(inode);
316 goto out;
317 }
318
319 gossip_debug(GOSSIP_NAME_DEBUG,
320 "Assigned symlink inode new number of %pU\n",
321 get_khandle_from_ino(inode));
322
323 d_instantiate(dentry, inode);
324 unlock_new_inode(inode);
Miklos Szeredi804b1732016-10-17 10:14:23 +0200325 orangefs_set_timeout(dentry);
Martin Brandenburg8bbb20a2016-07-28 14:46:36 -0400326 ORANGEFS_I(inode)->getattr_time = jiffies - 1;
Mike Marshall274dcf52015-07-17 10:38:13 -0400327
328 gossip_debug(GOSSIP_NAME_DEBUG,
Al Virof66debf2016-08-07 12:20:01 -0400329 "Inode (Symlink) %pU -> %pd\n",
Mike Marshall274dcf52015-07-17 10:38:13 -0400330 get_khandle_from_ino(inode),
Al Virof66debf2016-08-07 12:20:01 -0400331 dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -0400332
333 SetMtimeFlag(parent);
Deepa Dinamanic2050a42016-09-14 07:48:06 -0700334 dir->i_mtime = dir->i_ctime = current_time(dir);
Mike Marshall274dcf52015-07-17 10:38:13 -0400335 mark_inode_dirty_sync(dir);
336 ret = 0;
337out:
338 op_release(new_op);
339 return ret;
340}
341
Yi Liu8bb8aef2015-11-24 15:12:14 -0500342static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
Mike Marshall274dcf52015-07-17 10:38:13 -0400343{
Yi Liu8bb8aef2015-11-24 15:12:14 -0500344 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
345 struct orangefs_kernel_op_s *new_op;
Mike Marshall274dcf52015-07-17 10:38:13 -0400346 struct inode *inode;
347 int ret;
348
Yi Liu8bb8aef2015-11-24 15:12:14 -0500349 new_op = op_alloc(ORANGEFS_VFS_OP_MKDIR);
Mike Marshall274dcf52015-07-17 10:38:13 -0400350 if (!new_op)
351 return -ENOMEM;
352
353 new_op->upcall.req.mkdir.parent_refn = parent->refn;
354
355 fill_default_sys_attrs(new_op->upcall.req.mkdir.attributes,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500356 ORANGEFS_TYPE_DIRECTORY, mode);
Mike Marshall274dcf52015-07-17 10:38:13 -0400357
358 strncpy(new_op->upcall.req.mkdir.d_name,
Martin Brandenburg47b49482016-02-20 14:22:40 -0500359 dentry->d_name.name, ORANGEFS_NAME_MAX);
Mike Marshall274dcf52015-07-17 10:38:13 -0400360
361 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
362
363 gossip_debug(GOSSIP_NAME_DEBUG,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500364 "Mkdir Got ORANGEFS handle %pU on fsid %d\n",
Mike Marshall274dcf52015-07-17 10:38:13 -0400365 &new_op->downcall.resp.mkdir.refn.khandle,
366 new_op->downcall.resp.mkdir.refn.fs_id);
367
368 if (ret < 0) {
369 gossip_debug(GOSSIP_NAME_DEBUG,
370 "%s: failed with error code %d\n",
371 __func__, ret);
372 goto out;
373 }
374
Yi Liu8bb8aef2015-11-24 15:12:14 -0500375 inode = orangefs_new_inode(dir->i_sb, dir, S_IFDIR | mode, 0,
Mike Marshall274dcf52015-07-17 10:38:13 -0400376 &new_op->downcall.resp.mkdir.refn);
377 if (IS_ERR(inode)) {
Yi Liu8bb8aef2015-11-24 15:12:14 -0500378 gossip_err("*** Failed to allocate orangefs dir inode\n");
Mike Marshall274dcf52015-07-17 10:38:13 -0400379 ret = PTR_ERR(inode);
380 goto out;
381 }
382
383 gossip_debug(GOSSIP_NAME_DEBUG,
384 "Assigned dir inode new number of %pU\n",
385 get_khandle_from_ino(inode));
386
387 d_instantiate(dentry, inode);
388 unlock_new_inode(inode);
Miklos Szeredi804b1732016-10-17 10:14:23 +0200389 orangefs_set_timeout(dentry);
Martin Brandenburg8bbb20a2016-07-28 14:46:36 -0400390 ORANGEFS_I(inode)->getattr_time = jiffies - 1;
Mike Marshall274dcf52015-07-17 10:38:13 -0400391
392 gossip_debug(GOSSIP_NAME_DEBUG,
Al Virof66debf2016-08-07 12:20:01 -0400393 "Inode (Directory) %pU -> %pd\n",
Mike Marshall274dcf52015-07-17 10:38:13 -0400394 get_khandle_from_ino(inode),
Al Virof66debf2016-08-07 12:20:01 -0400395 dentry);
Mike Marshall274dcf52015-07-17 10:38:13 -0400396
397 /*
398 * NOTE: we have no good way to keep nlink consistent for directories
399 * across clients; keep constant at 1.
400 */
401 SetMtimeFlag(parent);
Deepa Dinamanic2050a42016-09-14 07:48:06 -0700402 dir->i_mtime = dir->i_ctime = current_time(dir);
Mike Marshall274dcf52015-07-17 10:38:13 -0400403 mark_inode_dirty_sync(dir);
404out:
405 op_release(new_op);
406 return ret;
407}
408
Yi Liu8bb8aef2015-11-24 15:12:14 -0500409static int orangefs_rename(struct inode *old_dir,
Mike Marshall274dcf52015-07-17 10:38:13 -0400410 struct dentry *old_dentry,
411 struct inode *new_dir,
Miklos Szeredi1cd66c92016-09-27 11:03:58 +0200412 struct dentry *new_dentry,
413 unsigned int flags)
Mike Marshall274dcf52015-07-17 10:38:13 -0400414{
Yi Liu8bb8aef2015-11-24 15:12:14 -0500415 struct orangefs_kernel_op_s *new_op;
Mike Marshall274dcf52015-07-17 10:38:13 -0400416 int ret;
417
Miklos Szeredi1cd66c92016-09-27 11:03:58 +0200418 if (flags)
419 return -EINVAL;
420
Mike Marshall274dcf52015-07-17 10:38:13 -0400421 gossip_debug(GOSSIP_NAME_DEBUG,
Al Viro96b0cff2016-05-29 15:00:34 -0400422 "orangefs_rename: called (%pd2 => %pd2) ct=%d\n",
423 old_dentry, new_dentry, d_count(new_dentry));
Mike Marshall274dcf52015-07-17 10:38:13 -0400424
Martin Brandenburg8bbb20a2016-07-28 14:46:36 -0400425 ORANGEFS_I(new_dentry->d_parent->d_inode)->getattr_time = jiffies - 1;
Martin Brandenburg71680c12016-06-09 16:32:38 -0400426
Yi Liu8bb8aef2015-11-24 15:12:14 -0500427 new_op = op_alloc(ORANGEFS_VFS_OP_RENAME);
Mike Marshall274dcf52015-07-17 10:38:13 -0400428 if (!new_op)
429 return -EINVAL;
430
Yi Liu8bb8aef2015-11-24 15:12:14 -0500431 new_op->upcall.req.rename.old_parent_refn = ORANGEFS_I(old_dir)->refn;
432 new_op->upcall.req.rename.new_parent_refn = ORANGEFS_I(new_dir)->refn;
Mike Marshall274dcf52015-07-17 10:38:13 -0400433
434 strncpy(new_op->upcall.req.rename.d_old_name,
435 old_dentry->d_name.name,
Martin Brandenburg47b49482016-02-20 14:22:40 -0500436 ORANGEFS_NAME_MAX);
Mike Marshall274dcf52015-07-17 10:38:13 -0400437 strncpy(new_op->upcall.req.rename.d_new_name,
438 new_dentry->d_name.name,
Martin Brandenburg47b49482016-02-20 14:22:40 -0500439 ORANGEFS_NAME_MAX);
Mike Marshall274dcf52015-07-17 10:38:13 -0400440
441 ret = service_operation(new_op,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500442 "orangefs_rename",
Mike Marshall274dcf52015-07-17 10:38:13 -0400443 get_interruptible_flag(old_dentry->d_inode));
444
445 gossip_debug(GOSSIP_NAME_DEBUG,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500446 "orangefs_rename: got downcall status %d\n",
Mike Marshall274dcf52015-07-17 10:38:13 -0400447 ret);
448
449 if (new_dentry->d_inode)
Deepa Dinamanic2050a42016-09-14 07:48:06 -0700450 new_dentry->d_inode->i_ctime = current_time(new_dentry->d_inode);
Mike Marshall274dcf52015-07-17 10:38:13 -0400451
452 op_release(new_op);
453 return ret;
454}
455
Yi Liu8bb8aef2015-11-24 15:12:14 -0500456/* ORANGEFS implementation of VFS inode operations for directories */
Al Viro6f3fc102016-05-14 18:46:32 -0400457const struct inode_operations orangefs_dir_inode_operations = {
Yi Liu8bb8aef2015-11-24 15:12:14 -0500458 .lookup = orangefs_lookup,
459 .get_acl = orangefs_get_acl,
460 .set_acl = orangefs_set_acl,
461 .create = orangefs_create,
462 .unlink = orangefs_unlink,
463 .symlink = orangefs_symlink,
464 .mkdir = orangefs_mkdir,
465 .rmdir = orangefs_unlink,
466 .rename = orangefs_rename,
467 .setattr = orangefs_setattr,
468 .getattr = orangefs_getattr,
Yi Liu8bb8aef2015-11-24 15:12:14 -0500469 .listxattr = orangefs_listxattr,
Martin Brandenburg933287d2016-01-30 13:46:54 -0500470 .permission = orangefs_permission,
Mike Marshall274dcf52015-07-17 10:38:13 -0400471};