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-rw-r--r--fs/jffs2/acl.c101
-rw-r--r--fs/jffs2/acl.h12
-rw-r--r--fs/jffs2/dir.c35
-rw-r--r--fs/jffs2/fs.c21
-rw-r--r--fs/jffs2/os-linux.h4
-rw-r--r--fs/jffs2/write.c8
6 files changed, 94 insertions, 87 deletions
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 8ec9323e830a..9728614b8958 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -228,11 +228,28 @@ struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
228 return acl; 228 return acl;
229} 229}
230 230
231static int __jffs2_set_acl(struct inode *inode, int xprefix, struct posix_acl *acl)
232{
233 char *value = NULL;
234 size_t size = 0;
235 int rc;
236
237 if (acl) {
238 value = jffs2_acl_to_medium(acl, &size);
239 if (IS_ERR(value))
240 return PTR_ERR(value);
241 }
242 rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
243 if (!value && rc == -ENODATA)
244 rc = 0;
245 kfree(value);
246
247 return rc;
248}
249
231static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl) 250static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
232{ 251{
233 struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); 252 struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
234 size_t size = 0;
235 char *value = NULL;
236 int rc, xprefix; 253 int rc, xprefix;
237 254
238 if (S_ISLNK(inode->i_mode)) 255 if (S_ISLNK(inode->i_mode))
@@ -267,17 +284,7 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
267 default: 284 default:
268 return -EINVAL; 285 return -EINVAL;
269 } 286 }
270 if (acl) { 287 rc = __jffs2_set_acl(inode, xprefix, acl);
271 value = jffs2_acl_to_medium(acl, &size);
272 if (IS_ERR(value))
273 return PTR_ERR(value);
274 }
275
276 rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
277 if (!value && rc == -ENODATA)
278 rc = 0;
279 if (value)
280 kfree(value);
281 if (!rc) { 288 if (!rc) {
282 switch(type) { 289 switch(type) {
283 case ACL_TYPE_ACCESS: 290 case ACL_TYPE_ACCESS:
@@ -312,37 +319,59 @@ int jffs2_permission(struct inode *inode, int mask, struct nameidata *nd)
312 return generic_permission(inode, mask, jffs2_check_acl); 319 return generic_permission(inode, mask, jffs2_check_acl);
313} 320}
314 321
315int jffs2_init_acl(struct inode *inode, struct posix_acl *acl) 322int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, int *i_mode)
316{ 323{
317 struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); 324 struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
318 struct posix_acl *clone; 325 struct posix_acl *acl, *clone;
319 mode_t mode; 326 int rc;
320 int rc = 0;
321 327
322 f->i_acl_access = JFFS2_ACL_NOT_CACHED; 328 f->i_acl_default = NULL;
323 f->i_acl_default = JFFS2_ACL_NOT_CACHED; 329 f->i_acl_access = NULL;
330
331 if (S_ISLNK(*i_mode))
332 return 0; /* Symlink always has no-ACL */
333
334 acl = jffs2_get_acl(dir_i, ACL_TYPE_DEFAULT);
335 if (IS_ERR(acl))
336 return PTR_ERR(acl);
337
338 if (!acl) {
339 *i_mode &= ~current->fs->umask;
340 } else {
341 if (S_ISDIR(*i_mode))
342 jffs2_iset_acl(inode, &f->i_acl_default, acl);
324 343
325 if (acl) {
326 if (S_ISDIR(inode->i_mode)) {
327 rc = jffs2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
328 if (rc)
329 goto cleanup;
330 }
331 clone = posix_acl_clone(acl, GFP_KERNEL); 344 clone = posix_acl_clone(acl, GFP_KERNEL);
332 rc = -ENOMEM;
333 if (!clone) 345 if (!clone)
334 goto cleanup; 346 return -ENOMEM;
335 mode = inode->i_mode; 347 rc = posix_acl_create_masq(clone, (mode_t *)i_mode);
336 rc = posix_acl_create_masq(clone, &mode); 348 if (rc < 0)
337 if (rc >= 0) { 349 return rc;
338 inode->i_mode = mode; 350 if (rc > 0)
339 if (rc > 0) 351 jffs2_iset_acl(inode, &f->i_acl_access, clone);
340 rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, clone); 352
341 }
342 posix_acl_release(clone); 353 posix_acl_release(clone);
343 } 354 }
344 cleanup: 355 return 0;
345 posix_acl_release(acl); 356}
357
358int jffs2_init_acl_post(struct inode *inode)
359{
360 struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
361 int rc;
362
363 if (f->i_acl_default) {
364 rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_DEFAULT, f->i_acl_default);
365 if (rc)
366 return rc;
367 }
368
369 if (f->i_acl_access) {
370 rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_ACCESS, f->i_acl_access);
371 if (rc)
372 return rc;
373 }
374
346 return rc; 375 return rc;
347} 376}
348 377
diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h
index 90a2dbf59051..76c6ebd1acd9 100644
--- a/fs/jffs2/acl.h
+++ b/fs/jffs2/acl.h
@@ -31,7 +31,8 @@ struct jffs2_acl_header {
31extern struct posix_acl *jffs2_get_acl(struct inode *inode, int type); 31extern struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
32extern int jffs2_permission(struct inode *, int, struct nameidata *); 32extern int jffs2_permission(struct inode *, int, struct nameidata *);
33extern int jffs2_acl_chmod(struct inode *); 33extern int jffs2_acl_chmod(struct inode *);
34extern int jffs2_init_acl(struct inode *, struct posix_acl *); 34extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
35extern int jffs2_init_acl_post(struct inode *);
35extern void jffs2_clear_acl(struct jffs2_inode_info *); 36extern void jffs2_clear_acl(struct jffs2_inode_info *);
36 37
37extern struct xattr_handler jffs2_acl_access_xattr_handler; 38extern struct xattr_handler jffs2_acl_access_xattr_handler;
@@ -39,10 +40,11 @@ extern struct xattr_handler jffs2_acl_default_xattr_handler;
39 40
40#else 41#else
41 42
42#define jffs2_get_acl(inode, type) (NULL) 43#define jffs2_get_acl(inode, type) (NULL)
43#define jffs2_permission NULL 44#define jffs2_permission (NULL)
44#define jffs2_acl_chmod(inode) (0) 45#define jffs2_acl_chmod(inode) (0)
45#define jffs2_init_acl(inode,dir) (0) 46#define jffs2_init_acl_pre(dir_i,inode,mode) (0)
47#define jffs2_init_acl_post(inode) (0)
46#define jffs2_clear_acl(f) 48#define jffs2_clear_acl(f)
47 49
48#endif /* CONFIG_JFFS2_FS_POSIX_ACL */ 50#endif /* CONFIG_JFFS2_FS_POSIX_ACL */
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 8353eb9c1799..787e392ffd41 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -182,7 +182,6 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
182 struct jffs2_inode_info *f, *dir_f; 182 struct jffs2_inode_info *f, *dir_f;
183 struct jffs2_sb_info *c; 183 struct jffs2_sb_info *c;
184 struct inode *inode; 184 struct inode *inode;
185 struct posix_acl *acl;
186 int ret; 185 int ret;
187 186
188 ri = jffs2_alloc_raw_inode(); 187 ri = jffs2_alloc_raw_inode();
@@ -193,7 +192,7 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
193 192
194 D1(printk(KERN_DEBUG "jffs2_create()\n")); 193 D1(printk(KERN_DEBUG "jffs2_create()\n"));
195 194
196 inode = jffs2_new_inode(dir_i, mode, ri, &acl); 195 inode = jffs2_new_inode(dir_i, mode, ri);
197 196
198 if (IS_ERR(inode)) { 197 if (IS_ERR(inode)) {
199 D1(printk(KERN_DEBUG "jffs2_new_inode() failed\n")); 198 D1(printk(KERN_DEBUG "jffs2_new_inode() failed\n"));
@@ -211,14 +210,6 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
211 210
212 ret = jffs2_do_create(c, dir_f, f, ri, 211 ret = jffs2_do_create(c, dir_f, f, ri,
213 dentry->d_name.name, dentry->d_name.len); 212 dentry->d_name.name, dentry->d_name.len);
214
215 if (ret)
216 goto fail_acl;
217
218 ret = jffs2_init_security(inode, dir_i);
219 if (ret)
220 goto fail_acl;
221 ret = jffs2_init_acl(inode, acl);
222 if (ret) 213 if (ret)
223 goto fail; 214 goto fail;
224 215
@@ -231,8 +222,6 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
231 inode->i_ino, inode->i_mode, inode->i_nlink, f->inocache->nlink, inode->i_mapping->nrpages)); 222 inode->i_ino, inode->i_mode, inode->i_nlink, f->inocache->nlink, inode->i_mapping->nrpages));
232 return 0; 223 return 0;
233 224
234 fail_acl:
235 posix_acl_release(acl);
236 fail: 225 fail:
237 make_bad_inode(inode); 226 make_bad_inode(inode);
238 iput(inode); 227 iput(inode);
@@ -309,7 +298,6 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
309 struct jffs2_full_dirent *fd; 298 struct jffs2_full_dirent *fd;
310 int namelen; 299 int namelen;
311 uint32_t alloclen; 300 uint32_t alloclen;
312 struct posix_acl *acl;
313 int ret, targetlen = strlen(target); 301 int ret, targetlen = strlen(target);
314 302
315 /* FIXME: If you care. We'd need to use frags for the target 303 /* FIXME: If you care. We'd need to use frags for the target
@@ -336,7 +324,7 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
336 return ret; 324 return ret;
337 } 325 }
338 326
339 inode = jffs2_new_inode(dir_i, S_IFLNK | S_IRWXUGO, ri, &acl); 327 inode = jffs2_new_inode(dir_i, S_IFLNK | S_IRWXUGO, ri);
340 328
341 if (IS_ERR(inode)) { 329 if (IS_ERR(inode)) {
342 jffs2_free_raw_inode(ri); 330 jffs2_free_raw_inode(ri);
@@ -366,7 +354,6 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
366 up(&f->sem); 354 up(&f->sem);
367 jffs2_complete_reservation(c); 355 jffs2_complete_reservation(c);
368 jffs2_clear_inode(inode); 356 jffs2_clear_inode(inode);
369 posix_acl_release(acl);
370 return PTR_ERR(fn); 357 return PTR_ERR(fn);
371 } 358 }
372 359
@@ -377,7 +364,6 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
377 up(&f->sem); 364 up(&f->sem);
378 jffs2_complete_reservation(c); 365 jffs2_complete_reservation(c);
379 jffs2_clear_inode(inode); 366 jffs2_clear_inode(inode);
380 posix_acl_release(acl);
381 return -ENOMEM; 367 return -ENOMEM;
382 } 368 }
383 369
@@ -395,10 +381,9 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
395 ret = jffs2_init_security(inode, dir_i); 381 ret = jffs2_init_security(inode, dir_i);
396 if (ret) { 382 if (ret) {
397 jffs2_clear_inode(inode); 383 jffs2_clear_inode(inode);
398 posix_acl_release(acl);
399 return ret; 384 return ret;
400 } 385 }
401 ret = jffs2_init_acl(inode, acl); 386 ret = jffs2_init_acl_post(inode);
402 if (ret) { 387 if (ret) {
403 jffs2_clear_inode(inode); 388 jffs2_clear_inode(inode);
404 return ret; 389 return ret;
@@ -476,7 +461,6 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
476 struct jffs2_full_dirent *fd; 461 struct jffs2_full_dirent *fd;
477 int namelen; 462 int namelen;
478 uint32_t alloclen; 463 uint32_t alloclen;
479 struct posix_acl *acl;
480 int ret; 464 int ret;
481 465
482 mode |= S_IFDIR; 466 mode |= S_IFDIR;
@@ -499,7 +483,7 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
499 return ret; 483 return ret;
500 } 484 }
501 485
502 inode = jffs2_new_inode(dir_i, mode, ri, &acl); 486 inode = jffs2_new_inode(dir_i, mode, ri);
503 487
504 if (IS_ERR(inode)) { 488 if (IS_ERR(inode)) {
505 jffs2_free_raw_inode(ri); 489 jffs2_free_raw_inode(ri);
@@ -526,7 +510,6 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
526 up(&f->sem); 510 up(&f->sem);
527 jffs2_complete_reservation(c); 511 jffs2_complete_reservation(c);
528 jffs2_clear_inode(inode); 512 jffs2_clear_inode(inode);
529 posix_acl_release(acl);
530 return PTR_ERR(fn); 513 return PTR_ERR(fn);
531 } 514 }
532 /* No data here. Only a metadata node, which will be 515 /* No data here. Only a metadata node, which will be
@@ -540,10 +523,9 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
540 ret = jffs2_init_security(inode, dir_i); 523 ret = jffs2_init_security(inode, dir_i);
541 if (ret) { 524 if (ret) {
542 jffs2_clear_inode(inode); 525 jffs2_clear_inode(inode);
543 posix_acl_release(acl);
544 return ret; 526 return ret;
545 } 527 }
546 ret = jffs2_init_acl(inode, acl); 528 ret = jffs2_init_acl_post(inode);
547 if (ret) { 529 if (ret) {
548 jffs2_clear_inode(inode); 530 jffs2_clear_inode(inode);
549 return ret; 531 return ret;
@@ -639,7 +621,6 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
639 union jffs2_device_node dev; 621 union jffs2_device_node dev;
640 int devlen = 0; 622 int devlen = 0;
641 uint32_t alloclen; 623 uint32_t alloclen;
642 struct posix_acl *acl;
643 int ret; 624 int ret;
644 625
645 if (!new_valid_dev(rdev)) 626 if (!new_valid_dev(rdev))
@@ -666,7 +647,7 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
666 return ret; 647 return ret;
667 } 648 }
668 649
669 inode = jffs2_new_inode(dir_i, mode, ri, &acl); 650 inode = jffs2_new_inode(dir_i, mode, ri);
670 651
671 if (IS_ERR(inode)) { 652 if (IS_ERR(inode)) {
672 jffs2_free_raw_inode(ri); 653 jffs2_free_raw_inode(ri);
@@ -695,7 +676,6 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
695 up(&f->sem); 676 up(&f->sem);
696 jffs2_complete_reservation(c); 677 jffs2_complete_reservation(c);
697 jffs2_clear_inode(inode); 678 jffs2_clear_inode(inode);
698 posix_acl_release(acl);
699 return PTR_ERR(fn); 679 return PTR_ERR(fn);
700 } 680 }
701 /* No data here. Only a metadata node, which will be 681 /* No data here. Only a metadata node, which will be
@@ -709,10 +689,9 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
709 ret = jffs2_init_security(inode, dir_i); 689 ret = jffs2_init_security(inode, dir_i);
710 if (ret) { 690 if (ret) {
711 jffs2_clear_inode(inode); 691 jffs2_clear_inode(inode);
712 posix_acl_release(acl);
713 return ret; 692 return ret;
714 } 693 }
715 ret = jffs2_init_acl(inode, acl); 694 ret = jffs2_init_acl_post(inode);
716 if (ret) { 695 if (ret) {
717 jffs2_clear_inode(inode); 696 jffs2_clear_inode(inode);
718 return ret; 697 return ret;
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index ed85f9afdbc8..d2e06f7ea96f 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -402,8 +402,7 @@ void jffs2_write_super (struct super_block *sb)
402 402
403/* jffs2_new_inode: allocate a new inode and inocache, add it to the hash, 403/* jffs2_new_inode: allocate a new inode and inocache, add it to the hash,
404 fill in the raw_inode while you're at it. */ 404 fill in the raw_inode while you're at it. */
405struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri, 405struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri)
406 struct posix_acl **acl)
407{ 406{
408 struct inode *inode; 407 struct inode *inode;
409 struct super_block *sb = dir_i->i_sb; 408 struct super_block *sb = dir_i->i_sb;
@@ -438,19 +437,11 @@ struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_i
438 437
439 /* POSIX ACLs have to be processed now, at least partly. 438 /* POSIX ACLs have to be processed now, at least partly.
440 The umask is only applied if there's no default ACL */ 439 The umask is only applied if there's no default ACL */
441 if (!S_ISLNK(mode)) { 440 ret = jffs2_init_acl_pre(dir_i, inode, &mode);
442 *acl = jffs2_get_acl(dir_i, ACL_TYPE_DEFAULT); 441 if (ret) {
443 if (IS_ERR(*acl)) { 442 make_bad_inode(inode);
444 make_bad_inode(inode); 443 iput(inode);
445 iput(inode); 444 return ERR_PTR(ret);
446 inode = (void *)*acl;
447 *acl = NULL;
448 return inode;
449 }
450 if (!(*acl))
451 mode &= ~current->fs->umask;
452 } else {
453 *acl = NULL;
454 } 445 }
455 ret = jffs2_do_new_inode (c, f, mode, ri); 446 ret = jffs2_do_new_inode (c, f, mode, ri);
456 if (ret) { 447 if (ret) {
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index f6743a915cf3..bf64686cf098 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -173,15 +173,13 @@ int jffs2_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
173extern const struct inode_operations jffs2_symlink_inode_operations; 173extern const struct inode_operations jffs2_symlink_inode_operations;
174 174
175/* fs.c */ 175/* fs.c */
176struct posix_acl;
177
178int jffs2_setattr (struct dentry *, struct iattr *); 176int jffs2_setattr (struct dentry *, struct iattr *);
179int jffs2_do_setattr (struct inode *, struct iattr *); 177int jffs2_do_setattr (struct inode *, struct iattr *);
180void jffs2_read_inode (struct inode *); 178void jffs2_read_inode (struct inode *);
181void jffs2_clear_inode (struct inode *); 179void jffs2_clear_inode (struct inode *);
182void jffs2_dirty_inode(struct inode *inode); 180void jffs2_dirty_inode(struct inode *inode);
183struct inode *jffs2_new_inode (struct inode *dir_i, int mode, 181struct inode *jffs2_new_inode (struct inode *dir_i, int mode,
184 struct jffs2_raw_inode *ri, struct posix_acl **acl); 182 struct jffs2_raw_inode *ri);
185int jffs2_statfs (struct dentry *, struct kstatfs *); 183int jffs2_statfs (struct dentry *, struct kstatfs *);
186void jffs2_write_super (struct super_block *); 184void jffs2_write_super (struct super_block *);
187int jffs2_remount_fs (struct super_block *, int *, char *); 185int jffs2_remount_fs (struct super_block *, int *, char *);
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index 2f5695446d0f..147e2cbee9e4 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -465,6 +465,14 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
465 465
466 up(&f->sem); 466 up(&f->sem);
467 jffs2_complete_reservation(c); 467 jffs2_complete_reservation(c);
468
469 ret = jffs2_init_security(&f->vfs_inode, &dir_f->vfs_inode);
470 if (ret)
471 return ret;
472 ret = jffs2_init_acl_post(&f->vfs_inode);
473 if (ret)
474 return ret;
475
468 ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen, 476 ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
469 ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen)); 477 ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
470 478