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12#include "protocol.h"
13#include "orangefs-kernel.h"
14
15
16
17
18static int orangefs_create(struct inode *dir,
19 struct dentry *dentry,
20 umode_t mode,
21 bool exclusive)
22{
23 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
24 struct orangefs_kernel_op_s *new_op;
25 struct orangefs_object_kref ref;
26 struct inode *inode;
27 struct iattr iattr;
28 int ret;
29
30 gossip_debug(GOSSIP_NAME_DEBUG, "%s: %pd\n",
31 __func__,
32 dentry);
33
34 new_op = op_alloc(ORANGEFS_VFS_OP_CREATE);
35 if (!new_op)
36 return -ENOMEM;
37
38 new_op->upcall.req.create.parent_refn = parent->refn;
39
40 fill_default_sys_attrs(new_op->upcall.req.create.attributes,
41 ORANGEFS_TYPE_METAFILE, mode);
42
43 strncpy(new_op->upcall.req.create.d_name,
44 dentry->d_name.name, ORANGEFS_NAME_MAX - 1);
45
46 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
47
48 gossip_debug(GOSSIP_NAME_DEBUG,
49 "%s: %pd: handle:%pU: fsid:%d: new_op:%p: ret:%d:\n",
50 __func__,
51 dentry,
52 &new_op->downcall.resp.create.refn.khandle,
53 new_op->downcall.resp.create.refn.fs_id,
54 new_op,
55 ret);
56
57 if (ret < 0)
58 goto out;
59
60 ref = new_op->downcall.resp.create.refn;
61 op_release(new_op);
62
63 inode = orangefs_new_inode(dir->i_sb, dir, S_IFREG | mode, 0, &ref);
64 if (IS_ERR(inode)) {
65 gossip_err("%s: Failed to allocate inode for file :%pd:\n",
66 __func__,
67 dentry);
68 ret = PTR_ERR(inode);
69 goto out;
70 }
71
72 gossip_debug(GOSSIP_NAME_DEBUG,
73 "%s: Assigned inode :%pU: for file :%pd:\n",
74 __func__,
75 get_khandle_from_ino(inode),
76 dentry);
77
78 d_instantiate_new(dentry, inode);
79 orangefs_set_timeout(dentry);
80 ORANGEFS_I(inode)->getattr_time = jiffies - 1;
81 ORANGEFS_I(inode)->getattr_mask = STATX_BASIC_STATS;
82
83 gossip_debug(GOSSIP_NAME_DEBUG,
84 "%s: dentry instantiated for %pd\n",
85 __func__,
86 dentry);
87
88 dir->i_mtime = dir->i_ctime = current_time(dir);
89 memset(&iattr, 0, sizeof iattr);
90 iattr.ia_valid |= ATTR_MTIME;
91 orangefs_inode_setattr(dir, &iattr);
92 mark_inode_dirty_sync(dir);
93 ret = 0;
94out:
95 gossip_debug(GOSSIP_NAME_DEBUG,
96 "%s: %pd: returning %d\n",
97 __func__,
98 dentry,
99 ret);
100 return ret;
101}
102
103
104
105
106
107static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry,
108 unsigned int flags)
109{
110 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
111 struct orangefs_kernel_op_s *new_op;
112 struct inode *inode;
113 int ret = -EINVAL;
114
115
116
117
118
119
120
121
122
123 gossip_debug(GOSSIP_NAME_DEBUG, "%s called on %pd\n",
124 __func__, dentry);
125
126 if (dentry->d_name.len > (ORANGEFS_NAME_MAX - 1))
127 return ERR_PTR(-ENAMETOOLONG);
128
129 new_op = op_alloc(ORANGEFS_VFS_OP_LOOKUP);
130 if (!new_op)
131 return ERR_PTR(-ENOMEM);
132
133 new_op->upcall.req.lookup.sym_follow = ORANGEFS_LOOKUP_LINK_NO_FOLLOW;
134
135 gossip_debug(GOSSIP_NAME_DEBUG, "%s:%s:%d using parent %pU\n",
136 __FILE__,
137 __func__,
138 __LINE__,
139 &parent->refn.khandle);
140 new_op->upcall.req.lookup.parent_refn = parent->refn;
141
142 strncpy(new_op->upcall.req.lookup.d_name, dentry->d_name.name,
143 ORANGEFS_NAME_MAX - 1);
144
145 gossip_debug(GOSSIP_NAME_DEBUG,
146 "%s: doing lookup on %s under %pU,%d\n",
147 __func__,
148 new_op->upcall.req.lookup.d_name,
149 &new_op->upcall.req.lookup.parent_refn.khandle,
150 new_op->upcall.req.lookup.parent_refn.fs_id);
151
152 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
153
154 gossip_debug(GOSSIP_NAME_DEBUG,
155 "Lookup Got %pU, fsid %d (ret=%d)\n",
156 &new_op->downcall.resp.lookup.refn.khandle,
157 new_op->downcall.resp.lookup.refn.fs_id,
158 ret);
159
160 if (ret >= 0) {
161 orangefs_set_timeout(dentry);
162 inode = orangefs_iget(dir->i_sb, &new_op->downcall.resp.lookup.refn);
163 } else if (ret == -ENOENT) {
164 inode = NULL;
165 } else {
166
167 inode = ERR_PTR(ret);
168 }
169
170 op_release(new_op);
171 return d_splice_alias(inode, dentry);
172}
173
174
175static int orangefs_unlink(struct inode *dir, struct dentry *dentry)
176{
177 struct inode *inode = dentry->d_inode;
178 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
179 struct orangefs_kernel_op_s *new_op;
180 struct iattr iattr;
181 int ret;
182
183 gossip_debug(GOSSIP_NAME_DEBUG,
184 "%s: called on %pd\n"
185 " (inode %pU): Parent is %pU | fs_id %d\n",
186 __func__,
187 dentry,
188 get_khandle_from_ino(inode),
189 &parent->refn.khandle,
190 parent->refn.fs_id);
191
192 new_op = op_alloc(ORANGEFS_VFS_OP_REMOVE);
193 if (!new_op)
194 return -ENOMEM;
195
196 new_op->upcall.req.remove.parent_refn = parent->refn;
197 strncpy(new_op->upcall.req.remove.d_name, dentry->d_name.name,
198 ORANGEFS_NAME_MAX - 1);
199
200 ret = service_operation(new_op, "orangefs_unlink",
201 get_interruptible_flag(inode));
202
203 gossip_debug(GOSSIP_NAME_DEBUG,
204 "%s: service_operation returned:%d:\n",
205 __func__,
206 ret);
207
208 op_release(new_op);
209
210 if (!ret) {
211 drop_nlink(inode);
212
213 dir->i_mtime = dir->i_ctime = current_time(dir);
214 memset(&iattr, 0, sizeof iattr);
215 iattr.ia_valid |= ATTR_MTIME;
216 orangefs_inode_setattr(dir, &iattr);
217 mark_inode_dirty_sync(dir);
218 }
219 return ret;
220}
221
222static int orangefs_symlink(struct inode *dir,
223 struct dentry *dentry,
224 const char *symname)
225{
226 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
227 struct orangefs_kernel_op_s *new_op;
228 struct orangefs_object_kref ref;
229 struct inode *inode;
230 struct iattr iattr;
231 int mode = 755;
232 int ret;
233
234 gossip_debug(GOSSIP_NAME_DEBUG, "%s: called\n", __func__);
235
236 if (!symname)
237 return -EINVAL;
238
239 if (strlen(symname)+1 > ORANGEFS_NAME_MAX)
240 return -ENAMETOOLONG;
241
242 new_op = op_alloc(ORANGEFS_VFS_OP_SYMLINK);
243 if (!new_op)
244 return -ENOMEM;
245
246 new_op->upcall.req.sym.parent_refn = parent->refn;
247
248 fill_default_sys_attrs(new_op->upcall.req.sym.attributes,
249 ORANGEFS_TYPE_SYMLINK,
250 mode);
251
252 strncpy(new_op->upcall.req.sym.entry_name,
253 dentry->d_name.name,
254 ORANGEFS_NAME_MAX - 1);
255 strncpy(new_op->upcall.req.sym.target, symname, ORANGEFS_NAME_MAX - 1);
256
257 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
258
259 gossip_debug(GOSSIP_NAME_DEBUG,
260 "Symlink Got ORANGEFS handle %pU on fsid %d (ret=%d)\n",
261 &new_op->downcall.resp.sym.refn.khandle,
262 new_op->downcall.resp.sym.refn.fs_id, ret);
263
264 if (ret < 0) {
265 gossip_debug(GOSSIP_NAME_DEBUG,
266 "%s: failed with error code %d\n",
267 __func__, ret);
268 goto out;
269 }
270
271 ref = new_op->downcall.resp.sym.refn;
272 op_release(new_op);
273
274 inode = orangefs_new_inode(dir->i_sb, dir, S_IFLNK | mode, 0, &ref);
275 if (IS_ERR(inode)) {
276 gossip_err
277 ("*** Failed to allocate orangefs symlink inode\n");
278 ret = PTR_ERR(inode);
279 goto out;
280 }
281
282
283
284
285
286
287 inode->i_size = strlen(symname);
288
289 gossip_debug(GOSSIP_NAME_DEBUG,
290 "Assigned symlink inode new number of %pU\n",
291 get_khandle_from_ino(inode));
292
293 d_instantiate_new(dentry, inode);
294 orangefs_set_timeout(dentry);
295 ORANGEFS_I(inode)->getattr_time = jiffies - 1;
296 ORANGEFS_I(inode)->getattr_mask = STATX_BASIC_STATS;
297
298 gossip_debug(GOSSIP_NAME_DEBUG,
299 "Inode (Symlink) %pU -> %pd\n",
300 get_khandle_from_ino(inode),
301 dentry);
302
303 dir->i_mtime = dir->i_ctime = current_time(dir);
304 memset(&iattr, 0, sizeof iattr);
305 iattr.ia_valid |= ATTR_MTIME;
306 orangefs_inode_setattr(dir, &iattr);
307 mark_inode_dirty_sync(dir);
308 ret = 0;
309out:
310 return ret;
311}
312
313static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
314{
315 struct orangefs_inode_s *parent = ORANGEFS_I(dir);
316 struct orangefs_kernel_op_s *new_op;
317 struct orangefs_object_kref ref;
318 struct inode *inode;
319 struct iattr iattr;
320 int ret;
321
322 new_op = op_alloc(ORANGEFS_VFS_OP_MKDIR);
323 if (!new_op)
324 return -ENOMEM;
325
326 new_op->upcall.req.mkdir.parent_refn = parent->refn;
327
328 fill_default_sys_attrs(new_op->upcall.req.mkdir.attributes,
329 ORANGEFS_TYPE_DIRECTORY, mode);
330
331 strncpy(new_op->upcall.req.mkdir.d_name,
332 dentry->d_name.name, ORANGEFS_NAME_MAX - 1);
333
334 ret = service_operation(new_op, __func__, get_interruptible_flag(dir));
335
336 gossip_debug(GOSSIP_NAME_DEBUG,
337 "Mkdir Got ORANGEFS handle %pU on fsid %d\n",
338 &new_op->downcall.resp.mkdir.refn.khandle,
339 new_op->downcall.resp.mkdir.refn.fs_id);
340
341 if (ret < 0) {
342 gossip_debug(GOSSIP_NAME_DEBUG,
343 "%s: failed with error code %d\n",
344 __func__, ret);
345 goto out;
346 }
347
348 ref = new_op->downcall.resp.mkdir.refn;
349 op_release(new_op);
350
351 inode = orangefs_new_inode(dir->i_sb, dir, S_IFDIR | mode, 0, &ref);
352 if (IS_ERR(inode)) {
353 gossip_err("*** Failed to allocate orangefs dir inode\n");
354 ret = PTR_ERR(inode);
355 goto out;
356 }
357
358 gossip_debug(GOSSIP_NAME_DEBUG,
359 "Assigned dir inode new number of %pU\n",
360 get_khandle_from_ino(inode));
361
362 d_instantiate_new(dentry, inode);
363 orangefs_set_timeout(dentry);
364 ORANGEFS_I(inode)->getattr_time = jiffies - 1;
365 ORANGEFS_I(inode)->getattr_mask = STATX_BASIC_STATS;
366
367 gossip_debug(GOSSIP_NAME_DEBUG,
368 "Inode (Directory) %pU -> %pd\n",
369 get_khandle_from_ino(inode),
370 dentry);
371
372
373
374
375
376 dir->i_mtime = dir->i_ctime = current_time(dir);
377 memset(&iattr, 0, sizeof iattr);
378 iattr.ia_valid |= ATTR_MTIME;
379 orangefs_inode_setattr(dir, &iattr);
380 mark_inode_dirty_sync(dir);
381out:
382 return ret;
383}
384
385static int orangefs_rename(struct inode *old_dir,
386 struct dentry *old_dentry,
387 struct inode *new_dir,
388 struct dentry *new_dentry,
389 unsigned int flags)
390{
391 struct orangefs_kernel_op_s *new_op;
392 int ret;
393
394 if (flags)
395 return -EINVAL;
396
397 gossip_debug(GOSSIP_NAME_DEBUG,
398 "orangefs_rename: called (%pd2 => %pd2) ct=%d\n",
399 old_dentry, new_dentry, d_count(new_dentry));
400
401 ORANGEFS_I(new_dentry->d_parent->d_inode)->getattr_time = jiffies - 1;
402
403 new_op = op_alloc(ORANGEFS_VFS_OP_RENAME);
404 if (!new_op)
405 return -EINVAL;
406
407 new_op->upcall.req.rename.old_parent_refn = ORANGEFS_I(old_dir)->refn;
408 new_op->upcall.req.rename.new_parent_refn = ORANGEFS_I(new_dir)->refn;
409
410 strncpy(new_op->upcall.req.rename.d_old_name,
411 old_dentry->d_name.name,
412 ORANGEFS_NAME_MAX - 1);
413 strncpy(new_op->upcall.req.rename.d_new_name,
414 new_dentry->d_name.name,
415 ORANGEFS_NAME_MAX - 1);
416
417 ret = service_operation(new_op,
418 "orangefs_rename",
419 get_interruptible_flag(old_dentry->d_inode));
420
421 gossip_debug(GOSSIP_NAME_DEBUG,
422 "orangefs_rename: got downcall status %d\n",
423 ret);
424
425 if (new_dentry->d_inode)
426 new_dentry->d_inode->i_ctime = current_time(new_dentry->d_inode);
427
428 op_release(new_op);
429 return ret;
430}
431
432
433const struct inode_operations orangefs_dir_inode_operations = {
434 .lookup = orangefs_lookup,
435 .get_acl = orangefs_get_acl,
436 .set_acl = orangefs_set_acl,
437 .create = orangefs_create,
438 .unlink = orangefs_unlink,
439 .symlink = orangefs_symlink,
440 .mkdir = orangefs_mkdir,
441 .rmdir = orangefs_unlink,
442 .rename = orangefs_rename,
443 .setattr = orangefs_setattr,
444 .getattr = orangefs_getattr,
445 .listxattr = orangefs_listxattr,
446 .permission = orangefs_permission,
447 .update_time = orangefs_update_time,
448};
449
