Lines Matching refs:inode
118 static int no_open(struct inode *inode, struct file *file) in no_open() argument
131 int inode_init_always(struct super_block *sb, struct inode *inode) in inode_init_always() argument
135 struct address_space *const mapping = &inode->i_data; in inode_init_always()
137 inode->i_sb = sb; in inode_init_always()
138 inode->i_blkbits = sb->s_blocksize_bits; in inode_init_always()
139 inode->i_flags = 0; in inode_init_always()
140 atomic_set(&inode->i_count, 1); in inode_init_always()
141 inode->i_op = &empty_iops; in inode_init_always()
142 inode->i_fop = &no_open_fops; in inode_init_always()
143 inode->__i_nlink = 1; in inode_init_always()
144 inode->i_opflags = 0; in inode_init_always()
146 inode->i_opflags |= IOP_XATTR; in inode_init_always()
147 i_uid_write(inode, 0); in inode_init_always()
148 i_gid_write(inode, 0); in inode_init_always()
149 atomic_set(&inode->i_writecount, 0); in inode_init_always()
150 inode->i_size = 0; in inode_init_always()
151 inode->i_write_hint = WRITE_LIFE_NOT_SET; in inode_init_always()
152 inode->i_blocks = 0; in inode_init_always()
153 inode->i_bytes = 0; in inode_init_always()
154 inode->i_generation = 0; in inode_init_always()
155 inode->i_pipe = NULL; in inode_init_always()
156 inode->i_bdev = NULL; in inode_init_always()
157 inode->i_cdev = NULL; in inode_init_always()
158 inode->i_link = NULL; in inode_init_always()
159 inode->i_dir_seq = 0; in inode_init_always()
160 inode->i_rdev = 0; in inode_init_always()
161 inode->dirtied_when = 0; in inode_init_always()
164 inode->i_wb_frn_winner = 0; in inode_init_always()
165 inode->i_wb_frn_avg_time = 0; in inode_init_always()
166 inode->i_wb_frn_history = 0; in inode_init_always()
169 if (security_inode_alloc(inode)) in inode_init_always()
171 spin_lock_init(&inode->i_lock); in inode_init_always()
172 lockdep_set_class(&inode->i_lock, &sb->s_type->i_lock_key); in inode_init_always()
174 init_rwsem(&inode->i_rwsem); in inode_init_always()
175 lockdep_set_class(&inode->i_rwsem, &sb->s_type->i_mutex_key); in inode_init_always()
177 atomic_set(&inode->i_dio_count, 0); in inode_init_always()
180 mapping->host = inode; in inode_init_always()
190 inode->i_private = NULL; in inode_init_always()
191 inode->i_mapping = mapping; in inode_init_always()
192 INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ in inode_init_always()
194 inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; in inode_init_always()
198 inode->i_fsnotify_mask = 0; in inode_init_always()
200 inode->i_flctx = NULL; in inode_init_always()
209 void free_inode_nonrcu(struct inode *inode) in free_inode_nonrcu() argument
211 kmem_cache_free(inode_cachep, inode); in free_inode_nonrcu()
217 struct inode *inode = container_of(head, struct inode, i_rcu); in i_callback() local
218 if (inode->free_inode) in i_callback()
219 inode->free_inode(inode); in i_callback()
221 free_inode_nonrcu(inode); in i_callback()
224 static struct inode *alloc_inode(struct super_block *sb) in alloc_inode()
227 struct inode *inode; in alloc_inode() local
230 inode = ops->alloc_inode(sb); in alloc_inode()
232 inode = kmem_cache_alloc(inode_cachep, GFP_KERNEL); in alloc_inode()
234 if (!inode) in alloc_inode()
237 if (unlikely(inode_init_always(sb, inode))) { in alloc_inode()
239 ops->destroy_inode(inode); in alloc_inode()
243 inode->free_inode = ops->free_inode; in alloc_inode()
244 i_callback(&inode->i_rcu); in alloc_inode()
248 return inode; in alloc_inode()
251 void __destroy_inode(struct inode *inode) in __destroy_inode() argument
253 BUG_ON(inode_has_buffers(inode)); in __destroy_inode()
254 inode_detach_wb(inode); in __destroy_inode()
255 security_inode_free(inode); in __destroy_inode()
256 fsnotify_inode_delete(inode); in __destroy_inode()
257 locks_free_lock_context(inode); in __destroy_inode()
258 if (!inode->i_nlink) { in __destroy_inode()
259 WARN_ON(atomic_long_read(&inode->i_sb->s_remove_count) == 0); in __destroy_inode()
260 atomic_long_dec(&inode->i_sb->s_remove_count); in __destroy_inode()
264 if (inode->i_acl && !is_uncached_acl(inode->i_acl)) in __destroy_inode()
265 posix_acl_release(inode->i_acl); in __destroy_inode()
266 if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl)) in __destroy_inode()
267 posix_acl_release(inode->i_default_acl); in __destroy_inode()
273 static void destroy_inode(struct inode *inode) in destroy_inode() argument
275 const struct super_operations *ops = inode->i_sb->s_op; in destroy_inode()
277 BUG_ON(!list_empty(&inode->i_lru)); in destroy_inode()
278 __destroy_inode(inode); in destroy_inode()
280 ops->destroy_inode(inode); in destroy_inode()
284 inode->free_inode = ops->free_inode; in destroy_inode()
285 call_rcu(&inode->i_rcu, i_callback); in destroy_inode()
299 void drop_nlink(struct inode *inode) in drop_nlink() argument
301 WARN_ON(inode->i_nlink == 0); in drop_nlink()
302 inode->__i_nlink--; in drop_nlink()
303 if (!inode->i_nlink) in drop_nlink()
304 atomic_long_inc(&inode->i_sb->s_remove_count); in drop_nlink()
316 void clear_nlink(struct inode *inode) in clear_nlink() argument
318 if (inode->i_nlink) { in clear_nlink()
319 inode->__i_nlink = 0; in clear_nlink()
320 atomic_long_inc(&inode->i_sb->s_remove_count); in clear_nlink()
333 void set_nlink(struct inode *inode, unsigned int nlink) in set_nlink() argument
336 clear_nlink(inode); in set_nlink()
339 if (inode->i_nlink == 0) in set_nlink()
340 atomic_long_dec(&inode->i_sb->s_remove_count); in set_nlink()
342 inode->__i_nlink = nlink; in set_nlink()
355 void inc_nlink(struct inode *inode) in inc_nlink() argument
357 if (unlikely(inode->i_nlink == 0)) { in inc_nlink()
358 WARN_ON(!(inode->i_state & I_LINKABLE)); in inc_nlink()
359 atomic_long_dec(&inode->i_sb->s_remove_count); in inc_nlink()
362 inode->__i_nlink++; in inc_nlink()
387 void inode_init_once(struct inode *inode) in inode_init_once() argument
389 memset(inode, 0, sizeof(*inode)); in inode_init_once()
390 INIT_HLIST_NODE(&inode->i_hash); in inode_init_once()
391 INIT_LIST_HEAD(&inode->i_devices); in inode_init_once()
392 INIT_LIST_HEAD(&inode->i_io_list); in inode_init_once()
393 INIT_LIST_HEAD(&inode->i_wb_list); in inode_init_once()
394 INIT_LIST_HEAD(&inode->i_lru); in inode_init_once()
395 __address_space_init_once(&inode->i_data); in inode_init_once()
396 i_size_ordered_init(inode); in inode_init_once()
402 struct inode *inode = (struct inode *) foo; in init_once() local
404 inode_init_once(inode); in init_once()
410 void __iget(struct inode *inode) in __iget() argument
412 atomic_inc(&inode->i_count); in __iget()
418 void ihold(struct inode *inode) in ihold() argument
420 WARN_ON(atomic_inc_return(&inode->i_count) < 2); in ihold()
424 static void inode_lru_list_add(struct inode *inode) in inode_lru_list_add() argument
426 if (list_lru_add(&inode->i_sb->s_inode_lru, &inode->i_lru)) in inode_lru_list_add()
429 inode->i_state |= I_REFERENCED; in inode_lru_list_add()
437 void inode_add_lru(struct inode *inode) in inode_add_lru() argument
439 if (!(inode->i_state & (I_DIRTY_ALL | I_SYNC | in inode_add_lru()
441 !atomic_read(&inode->i_count) && inode->i_sb->s_flags & SB_ACTIVE) in inode_add_lru()
442 inode_lru_list_add(inode); in inode_add_lru()
446 static void inode_lru_list_del(struct inode *inode) in inode_lru_list_del() argument
449 if (list_lru_del(&inode->i_sb->s_inode_lru, &inode->i_lru)) in inode_lru_list_del()
457 void inode_sb_list_add(struct inode *inode) in inode_sb_list_add() argument
459 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
460 list_add(&inode->i_sb_list, &inode->i_sb->s_inodes); in inode_sb_list_add()
461 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
465 static inline void inode_sb_list_del(struct inode *inode) in inode_sb_list_del() argument
467 if (!list_empty(&inode->i_sb_list)) { in inode_sb_list_del()
468 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
469 list_del_init(&inode->i_sb_list); in inode_sb_list_del()
470 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
492 void __insert_inode_hash(struct inode *inode, unsigned long hashval) in __insert_inode_hash() argument
494 struct hlist_head *b = inode_hashtable + hash(inode->i_sb, hashval); in __insert_inode_hash()
497 spin_lock(&inode->i_lock); in __insert_inode_hash()
498 hlist_add_head(&inode->i_hash, b); in __insert_inode_hash()
499 spin_unlock(&inode->i_lock); in __insert_inode_hash()
510 void __remove_inode_hash(struct inode *inode) in __remove_inode_hash() argument
513 spin_lock(&inode->i_lock); in __remove_inode_hash()
514 hlist_del_init(&inode->i_hash); in __remove_inode_hash()
515 spin_unlock(&inode->i_lock); in __remove_inode_hash()
520 void clear_inode(struct inode *inode) in clear_inode() argument
527 xa_lock_irq(&inode->i_data.i_pages); in clear_inode()
528 BUG_ON(inode->i_data.nrpages); in clear_inode()
529 BUG_ON(inode->i_data.nrexceptional); in clear_inode()
530 xa_unlock_irq(&inode->i_data.i_pages); in clear_inode()
531 BUG_ON(!list_empty(&inode->i_data.private_list)); in clear_inode()
532 BUG_ON(!(inode->i_state & I_FREEING)); in clear_inode()
533 BUG_ON(inode->i_state & I_CLEAR); in clear_inode()
534 BUG_ON(!list_empty(&inode->i_wb_list)); in clear_inode()
536 inode->i_state = I_FREEING | I_CLEAR; in clear_inode()
553 static void evict(struct inode *inode) in evict() argument
555 const struct super_operations *op = inode->i_sb->s_op; in evict()
557 BUG_ON(!(inode->i_state & I_FREEING)); in evict()
558 BUG_ON(!list_empty(&inode->i_lru)); in evict()
560 if (!list_empty(&inode->i_io_list)) in evict()
561 inode_io_list_del(inode); in evict()
563 inode_sb_list_del(inode); in evict()
571 inode_wait_for_writeback(inode); in evict()
574 op->evict_inode(inode); in evict()
576 truncate_inode_pages_final(&inode->i_data); in evict()
577 clear_inode(inode); in evict()
579 if (S_ISBLK(inode->i_mode) && inode->i_bdev) in evict()
580 bd_forget(inode); in evict()
581 if (S_ISCHR(inode->i_mode) && inode->i_cdev) in evict()
582 cd_forget(inode); in evict()
584 remove_inode_hash(inode); in evict()
586 spin_lock(&inode->i_lock); in evict()
587 wake_up_bit(&inode->i_state, __I_NEW); in evict()
588 BUG_ON(inode->i_state != (I_FREEING | I_CLEAR)); in evict()
589 spin_unlock(&inode->i_lock); in evict()
591 destroy_inode(inode); in evict()
604 struct inode *inode; in dispose_list() local
606 inode = list_first_entry(head, struct inode, i_lru); in dispose_list()
607 list_del_init(&inode->i_lru); in dispose_list()
609 evict(inode); in dispose_list()
625 struct inode *inode, *next; in evict_inodes() local
630 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in evict_inodes()
631 if (atomic_read(&inode->i_count)) in evict_inodes()
634 spin_lock(&inode->i_lock); in evict_inodes()
635 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in evict_inodes()
636 spin_unlock(&inode->i_lock); in evict_inodes()
640 inode->i_state |= I_FREEING; in evict_inodes()
641 inode_lru_list_del(inode); in evict_inodes()
642 spin_unlock(&inode->i_lock); in evict_inodes()
643 list_add(&inode->i_lru, &dispose); in evict_inodes()
676 struct inode *inode, *next; in invalidate_inodes() local
680 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in invalidate_inodes()
681 spin_lock(&inode->i_lock); in invalidate_inodes()
682 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in invalidate_inodes()
683 spin_unlock(&inode->i_lock); in invalidate_inodes()
686 if (inode->i_state & I_DIRTY_ALL && !kill_dirty) { in invalidate_inodes()
687 spin_unlock(&inode->i_lock); in invalidate_inodes()
691 if (atomic_read(&inode->i_count)) { in invalidate_inodes()
692 spin_unlock(&inode->i_lock); in invalidate_inodes()
697 inode->i_state |= I_FREEING; in invalidate_inodes()
698 inode_lru_list_del(inode); in invalidate_inodes()
699 spin_unlock(&inode->i_lock); in invalidate_inodes()
700 list_add(&inode->i_lru, &dispose); in invalidate_inodes()
728 struct inode *inode = container_of(item, struct inode, i_lru); in inode_lru_isolate() local
734 if (!spin_trylock(&inode->i_lock)) in inode_lru_isolate()
741 if (atomic_read(&inode->i_count) || in inode_lru_isolate()
742 (inode->i_state & ~I_REFERENCED)) { in inode_lru_isolate()
743 list_lru_isolate(lru, &inode->i_lru); in inode_lru_isolate()
744 spin_unlock(&inode->i_lock); in inode_lru_isolate()
750 if (inode->i_state & I_REFERENCED) { in inode_lru_isolate()
751 inode->i_state &= ~I_REFERENCED; in inode_lru_isolate()
752 spin_unlock(&inode->i_lock); in inode_lru_isolate()
756 if (inode_has_buffers(inode) || inode->i_data.nrpages) { in inode_lru_isolate()
757 __iget(inode); in inode_lru_isolate()
758 spin_unlock(&inode->i_lock); in inode_lru_isolate()
760 if (remove_inode_buffers(inode)) { in inode_lru_isolate()
762 reap = invalidate_mapping_pages(&inode->i_data, 0, -1); in inode_lru_isolate()
770 iput(inode); in inode_lru_isolate()
775 WARN_ON(inode->i_state & I_NEW); in inode_lru_isolate()
776 inode->i_state |= I_FREEING; in inode_lru_isolate()
777 list_lru_isolate_move(lru, &inode->i_lru, freeable); in inode_lru_isolate()
778 spin_unlock(&inode->i_lock); in inode_lru_isolate()
801 static void __wait_on_freeing_inode(struct inode *inode);
805 static struct inode *find_inode(struct super_block *sb, in find_inode()
807 int (*test)(struct inode *, void *), in find_inode() argument
810 struct inode *inode = NULL; in find_inode() local
813 hlist_for_each_entry(inode, head, i_hash) { in find_inode()
814 if (inode->i_sb != sb) in find_inode()
816 if (!test(inode, data)) in find_inode()
818 spin_lock(&inode->i_lock); in find_inode()
819 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode()
820 __wait_on_freeing_inode(inode); in find_inode()
823 if (unlikely(inode->i_state & I_CREATING)) { in find_inode()
824 spin_unlock(&inode->i_lock); in find_inode()
827 __iget(inode); in find_inode()
828 spin_unlock(&inode->i_lock); in find_inode()
829 return inode; in find_inode()
838 static struct inode *find_inode_fast(struct super_block *sb, in find_inode_fast()
841 struct inode *inode = NULL; in find_inode_fast() local
844 hlist_for_each_entry(inode, head, i_hash) { in find_inode_fast()
845 if (inode->i_ino != ino) in find_inode_fast()
847 if (inode->i_sb != sb) in find_inode_fast()
849 spin_lock(&inode->i_lock); in find_inode_fast()
850 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode_fast()
851 __wait_on_freeing_inode(inode); in find_inode_fast()
854 if (unlikely(inode->i_state & I_CREATING)) { in find_inode_fast()
855 spin_unlock(&inode->i_lock); in find_inode_fast()
858 __iget(inode); in find_inode_fast()
859 spin_unlock(&inode->i_lock); in find_inode_fast()
860 return inode; in find_inode_fast()
917 struct inode *new_inode_pseudo(struct super_block *sb) in new_inode_pseudo()
919 struct inode *inode = alloc_inode(sb); in new_inode_pseudo() local
921 if (inode) { in new_inode_pseudo()
922 spin_lock(&inode->i_lock); in new_inode_pseudo()
923 inode->i_state = 0; in new_inode_pseudo()
924 spin_unlock(&inode->i_lock); in new_inode_pseudo()
925 INIT_LIST_HEAD(&inode->i_sb_list); in new_inode_pseudo()
927 return inode; in new_inode_pseudo()
942 struct inode *new_inode(struct super_block *sb) in new_inode()
944 struct inode *inode; in new_inode() local
948 inode = new_inode_pseudo(sb); in new_inode()
949 if (inode) in new_inode()
950 inode_sb_list_add(inode); in new_inode()
951 return inode; in new_inode()
956 void lockdep_annotate_inode_mutex_key(struct inode *inode) in lockdep_annotate_inode_mutex_key() argument
958 if (S_ISDIR(inode->i_mode)) { in lockdep_annotate_inode_mutex_key()
959 struct file_system_type *type = inode->i_sb->s_type; in lockdep_annotate_inode_mutex_key()
962 if (lockdep_match_class(&inode->i_rwsem, &type->i_mutex_key)) { in lockdep_annotate_inode_mutex_key()
967 init_rwsem(&inode->i_rwsem); in lockdep_annotate_inode_mutex_key()
968 lockdep_set_class(&inode->i_rwsem, in lockdep_annotate_inode_mutex_key()
983 void unlock_new_inode(struct inode *inode) in unlock_new_inode() argument
985 lockdep_annotate_inode_mutex_key(inode); in unlock_new_inode()
986 spin_lock(&inode->i_lock); in unlock_new_inode()
987 WARN_ON(!(inode->i_state & I_NEW)); in unlock_new_inode()
988 inode->i_state &= ~I_NEW & ~I_CREATING; in unlock_new_inode()
990 wake_up_bit(&inode->i_state, __I_NEW); in unlock_new_inode()
991 spin_unlock(&inode->i_lock); in unlock_new_inode()
995 void discard_new_inode(struct inode *inode) in discard_new_inode() argument
997 lockdep_annotate_inode_mutex_key(inode); in discard_new_inode()
998 spin_lock(&inode->i_lock); in discard_new_inode()
999 WARN_ON(!(inode->i_state & I_NEW)); in discard_new_inode()
1000 inode->i_state &= ~I_NEW; in discard_new_inode()
1002 wake_up_bit(&inode->i_state, __I_NEW); in discard_new_inode()
1003 spin_unlock(&inode->i_lock); in discard_new_inode()
1004 iput(inode); in discard_new_inode()
1017 void lock_two_nondirectories(struct inode *inode1, struct inode *inode2) in lock_two_nondirectories()
1034 void unlock_two_nondirectories(struct inode *inode1, struct inode *inode2) in unlock_two_nondirectories()
1063 struct inode *inode_insert5(struct inode *inode, unsigned long hashval, in inode_insert5() argument
1064 int (*test)(struct inode *, void *), in inode_insert5() argument
1065 int (*set)(struct inode *, void *), void *data) in inode_insert5() argument
1067 struct hlist_head *head = inode_hashtable + hash(inode->i_sb, hashval); in inode_insert5()
1068 struct inode *old; in inode_insert5()
1069 bool creating = inode->i_state & I_CREATING; in inode_insert5()
1073 old = find_inode(inode->i_sb, head, test, data); in inode_insert5()
1090 if (set && unlikely(set(inode, data))) { in inode_insert5()
1091 inode = NULL; in inode_insert5()
1099 spin_lock(&inode->i_lock); in inode_insert5()
1100 inode->i_state |= I_NEW; in inode_insert5()
1101 hlist_add_head(&inode->i_hash, head); in inode_insert5()
1102 spin_unlock(&inode->i_lock); in inode_insert5()
1104 inode_sb_list_add(inode); in inode_insert5()
1108 return inode; in inode_insert5()
1132 struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, in iget5_locked()
1133 int (*test)(struct inode *, void *), in iget5_locked() argument
1134 int (*set)(struct inode *, void *), void *data) in iget5_locked() argument
1136 struct inode *inode = ilookup5(sb, hashval, test, data); in iget5_locked() local
1138 if (!inode) { in iget5_locked()
1139 struct inode *new = alloc_inode(sb); in iget5_locked()
1143 inode = inode_insert5(new, hashval, test, set, data); in iget5_locked()
1144 if (unlikely(inode != new)) in iget5_locked()
1148 return inode; in iget5_locked()
1165 struct inode *iget_locked(struct super_block *sb, unsigned long ino) in iget_locked()
1168 struct inode *inode; in iget_locked() local
1171 inode = find_inode_fast(sb, head, ino); in iget_locked()
1173 if (inode) { in iget_locked()
1174 if (IS_ERR(inode)) in iget_locked()
1176 wait_on_inode(inode); in iget_locked()
1177 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1178 iput(inode); in iget_locked()
1181 return inode; in iget_locked()
1184 inode = alloc_inode(sb); in iget_locked()
1185 if (inode) { in iget_locked()
1186 struct inode *old; in iget_locked()
1192 inode->i_ino = ino; in iget_locked()
1193 spin_lock(&inode->i_lock); in iget_locked()
1194 inode->i_state = I_NEW; in iget_locked()
1195 hlist_add_head(&inode->i_hash, head); in iget_locked()
1196 spin_unlock(&inode->i_lock); in iget_locked()
1197 inode_sb_list_add(inode); in iget_locked()
1203 return inode; in iget_locked()
1212 destroy_inode(inode); in iget_locked()
1215 inode = old; in iget_locked()
1216 wait_on_inode(inode); in iget_locked()
1217 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1218 iput(inode); in iget_locked()
1222 return inode; in iget_locked()
1236 struct inode *inode; in test_inode_iunique() local
1239 hlist_for_each_entry(inode, b, i_hash) { in test_inode_iunique()
1240 if (inode->i_ino == ino && inode->i_sb == sb) { in test_inode_iunique()
1287 struct inode *igrab(struct inode *inode) in igrab() argument
1289 spin_lock(&inode->i_lock); in igrab()
1290 if (!(inode->i_state & (I_FREEING|I_WILL_FREE))) { in igrab()
1291 __iget(inode); in igrab()
1292 spin_unlock(&inode->i_lock); in igrab()
1294 spin_unlock(&inode->i_lock); in igrab()
1300 inode = NULL; in igrab()
1302 return inode; in igrab()
1322 struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval, in ilookup5_nowait()
1323 int (*test)(struct inode *, void *), void *data) in ilookup5_nowait() argument
1326 struct inode *inode; in ilookup5_nowait() local
1329 inode = find_inode(sb, head, test, data); in ilookup5_nowait()
1332 return IS_ERR(inode) ? NULL : inode; in ilookup5_nowait()
1353 struct inode *ilookup5(struct super_block *sb, unsigned long hashval, in ilookup5()
1354 int (*test)(struct inode *, void *), void *data) in ilookup5() argument
1356 struct inode *inode; in ilookup5() local
1358 inode = ilookup5_nowait(sb, hashval, test, data); in ilookup5()
1359 if (inode) { in ilookup5()
1360 wait_on_inode(inode); in ilookup5()
1361 if (unlikely(inode_unhashed(inode))) { in ilookup5()
1362 iput(inode); in ilookup5()
1366 return inode; in ilookup5()
1378 struct inode *ilookup(struct super_block *sb, unsigned long ino) in ilookup()
1381 struct inode *inode; in ilookup() local
1384 inode = find_inode_fast(sb, head, ino); in ilookup()
1387 if (inode) { in ilookup()
1388 if (IS_ERR(inode)) in ilookup()
1390 wait_on_inode(inode); in ilookup()
1391 if (unlikely(inode_unhashed(inode))) { in ilookup()
1392 iput(inode); in ilookup()
1396 return inode; in ilookup()
1423 struct inode *find_inode_nowait(struct super_block *sb, in find_inode_nowait()
1425 int (*match)(struct inode *, unsigned long, in find_inode_nowait() argument
1430 struct inode *inode, *ret_inode = NULL; in find_inode_nowait() local
1434 hlist_for_each_entry(inode, head, i_hash) { in find_inode_nowait()
1435 if (inode->i_sb != sb) in find_inode_nowait()
1437 mval = match(inode, hashval, data); in find_inode_nowait()
1441 ret_inode = inode; in find_inode_nowait()
1450 int insert_inode_locked(struct inode *inode) in insert_inode_locked() argument
1452 struct super_block *sb = inode->i_sb; in insert_inode_locked()
1453 ino_t ino = inode->i_ino; in insert_inode_locked()
1457 struct inode *old = NULL; in insert_inode_locked()
1472 spin_lock(&inode->i_lock); in insert_inode_locked()
1473 inode->i_state |= I_NEW | I_CREATING; in insert_inode_locked()
1474 hlist_add_head(&inode->i_hash, head); in insert_inode_locked()
1475 spin_unlock(&inode->i_lock); in insert_inode_locked()
1497 int insert_inode_locked4(struct inode *inode, unsigned long hashval, in insert_inode_locked4() argument
1498 int (*test)(struct inode *, void *), void *data) in insert_inode_locked4() argument
1500 struct inode *old; in insert_inode_locked4()
1502 inode->i_state |= I_CREATING; in insert_inode_locked4()
1503 old = inode_insert5(inode, hashval, test, NULL, data); in insert_inode_locked4()
1505 if (old != inode) { in insert_inode_locked4()
1514 int generic_delete_inode(struct inode *inode) in generic_delete_inode() argument
1530 static void iput_final(struct inode *inode) in iput_final() argument
1532 struct super_block *sb = inode->i_sb; in iput_final()
1533 const struct super_operations *op = inode->i_sb->s_op; in iput_final()
1536 WARN_ON(inode->i_state & I_NEW); in iput_final()
1539 drop = op->drop_inode(inode); in iput_final()
1541 drop = generic_drop_inode(inode); in iput_final()
1544 inode_add_lru(inode); in iput_final()
1545 spin_unlock(&inode->i_lock); in iput_final()
1550 inode->i_state |= I_WILL_FREE; in iput_final()
1551 spin_unlock(&inode->i_lock); in iput_final()
1552 write_inode_now(inode, 1); in iput_final()
1553 spin_lock(&inode->i_lock); in iput_final()
1554 WARN_ON(inode->i_state & I_NEW); in iput_final()
1555 inode->i_state &= ~I_WILL_FREE; in iput_final()
1558 inode->i_state |= I_FREEING; in iput_final()
1559 if (!list_empty(&inode->i_lru)) in iput_final()
1560 inode_lru_list_del(inode); in iput_final()
1561 spin_unlock(&inode->i_lock); in iput_final()
1563 evict(inode); in iput_final()
1575 void iput(struct inode *inode) in iput() argument
1577 if (!inode) in iput()
1579 BUG_ON(inode->i_state & I_CLEAR); in iput()
1581 if (atomic_dec_and_lock(&inode->i_count, &inode->i_lock)) { in iput()
1582 if (inode->i_nlink && (inode->i_state & I_DIRTY_TIME)) { in iput()
1583 atomic_inc(&inode->i_count); in iput()
1584 spin_unlock(&inode->i_lock); in iput()
1585 trace_writeback_lazytime_iput(inode); in iput()
1586 mark_inode_dirty_sync(inode); in iput()
1589 iput_final(inode); in iput()
1605 sector_t bmap(struct inode *inode, sector_t block) in bmap() argument
1608 if (inode->i_mapping->a_ops->bmap) in bmap()
1609 res = inode->i_mapping->a_ops->bmap(inode->i_mapping, block); in bmap()
1619 static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, in relatime_need_update() argument
1628 if (timespec64_compare(&inode->i_mtime, &inode->i_atime) >= 0) in relatime_need_update()
1633 if (timespec64_compare(&inode->i_ctime, &inode->i_atime) >= 0) in relatime_need_update()
1640 if ((long)(now.tv_sec - inode->i_atime.tv_sec) >= 24*60*60) in relatime_need_update()
1648 int generic_update_time(struct inode *inode, struct timespec64 *time, int flags) in generic_update_time() argument
1654 inode->i_atime = *time; in generic_update_time()
1656 dirty = inode_maybe_inc_iversion(inode, false); in generic_update_time()
1658 inode->i_ctime = *time; in generic_update_time()
1660 inode->i_mtime = *time; in generic_update_time()
1662 !(inode->i_sb->s_flags & SB_LAZYTIME)) in generic_update_time()
1667 __mark_inode_dirty(inode, iflags); in generic_update_time()
1676 static int update_time(struct inode *inode, struct timespec64 *time, int flags) in update_time() argument
1678 int (*update_time)(struct inode *, struct timespec64 *, int); in update_time()
1680 update_time = inode->i_op->update_time ? inode->i_op->update_time : in update_time()
1683 return update_time(inode, time, flags); in update_time()
1695 bool atime_needs_update(const struct path *path, struct inode *inode) in atime_needs_update() argument
1700 if (inode->i_flags & S_NOATIME) in atime_needs_update()
1706 if (HAS_UNMAPPED_ID(inode)) in atime_needs_update()
1709 if (IS_NOATIME(inode)) in atime_needs_update()
1711 if ((inode->i_sb->s_flags & SB_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1716 if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1719 now = current_time(inode); in atime_needs_update()
1721 if (!relatime_need_update(mnt, inode, now)) in atime_needs_update()
1724 if (timespec64_equal(&inode->i_atime, &now)) in atime_needs_update()
1733 struct inode *inode = d_inode(path->dentry); in touch_atime() local
1736 if (!atime_needs_update(path, inode)) in touch_atime()
1739 if (!sb_start_write_trylock(inode->i_sb)) in touch_atime()
1753 now = current_time(inode); in touch_atime()
1754 update_time(inode, &now, S_ATIME); in touch_atime()
1757 sb_end_write(inode->i_sb); in touch_atime()
1797 struct inode *inode = d_inode(dentry); in dentry_needs_remove_privs() local
1801 if (IS_NOSEC(inode)) in dentry_needs_remove_privs()
1832 struct inode *inode = file_inode(file); in file_remove_privs() local
1842 if (IS_NOSEC(inode) || !S_ISREG(inode->i_mode)) in file_remove_privs()
1851 inode_has_no_xattr(inode); in file_remove_privs()
1872 struct inode *inode = file_inode(file); in file_update_time() local
1878 if (IS_NOCMTIME(inode)) in file_update_time()
1881 now = current_time(inode); in file_update_time()
1882 if (!timespec64_equal(&inode->i_mtime, &now)) in file_update_time()
1885 if (!timespec64_equal(&inode->i_ctime, &now)) in file_update_time()
1888 if (IS_I_VERSION(inode) && inode_iversion_need_inc(inode)) in file_update_time()
1898 ret = update_time(inode, &now, sync_it); in file_update_time()
1925 int inode_needs_sync(struct inode *inode) in inode_needs_sync() argument
1927 if (IS_SYNC(inode)) in inode_needs_sync()
1929 if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) in inode_needs_sync()
1946 static void __wait_on_freeing_inode(struct inode *inode) in __wait_on_freeing_inode() argument
1949 DEFINE_WAIT_BIT(wait, &inode->i_state, __I_NEW); in __wait_on_freeing_inode()
1950 wq = bit_waitqueue(&inode->i_state, __I_NEW); in __wait_on_freeing_inode()
1952 spin_unlock(&inode->i_lock); in __wait_on_freeing_inode()
1996 sizeof(struct inode), in inode_init()
2018 void init_special_inode(struct inode *inode, umode_t mode, dev_t rdev) in init_special_inode() argument
2020 inode->i_mode = mode; in init_special_inode()
2022 inode->i_fop = &def_chr_fops; in init_special_inode()
2023 inode->i_rdev = rdev; in init_special_inode()
2025 inode->i_fop = &def_blk_fops; in init_special_inode()
2026 inode->i_rdev = rdev; in init_special_inode()
2028 inode->i_fop = &pipefifo_fops; in init_special_inode()
2033 " inode %s:%lu\n", mode, inode->i_sb->s_id, in init_special_inode()
2034 inode->i_ino); in init_special_inode()
2044 void inode_init_owner(struct inode *inode, const struct inode *dir, in inode_init_owner() argument
2047 inode->i_uid = current_fsuid(); in inode_init_owner()
2049 inode->i_gid = dir->i_gid; in inode_init_owner()
2055 !in_group_p(inode->i_gid) && in inode_init_owner()
2059 inode->i_gid = current_fsgid(); in inode_init_owner()
2060 inode->i_mode = mode; in inode_init_owner()
2071 bool inode_owner_or_capable(const struct inode *inode) in inode_owner_or_capable() argument
2075 if (uid_eq(current_fsuid(), inode->i_uid)) in inode_owner_or_capable()
2079 if (kuid_has_mapping(ns, inode->i_uid) && ns_capable(ns, CAP_FOWNER)) in inode_owner_or_capable()
2088 static void __inode_dio_wait(struct inode *inode) in __inode_dio_wait() argument
2090 wait_queue_head_t *wq = bit_waitqueue(&inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2091 DEFINE_WAIT_BIT(q, &inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2095 if (atomic_read(&inode->i_dio_count)) in __inode_dio_wait()
2097 } while (atomic_read(&inode->i_dio_count)); in __inode_dio_wait()
2111 void inode_dio_wait(struct inode *inode) in inode_dio_wait() argument
2113 if (atomic_read(&inode->i_dio_count)) in inode_dio_wait()
2114 __inode_dio_wait(inode); in inode_dio_wait()
2134 void inode_set_flags(struct inode *inode, unsigned int flags, in inode_set_flags() argument
2138 set_mask_bits(&inode->i_flags, mask, flags); in inode_set_flags()
2142 void inode_nohighmem(struct inode *inode) in inode_nohighmem() argument
2144 mapping_set_gfp_mask(inode->i_mapping, GFP_USER); in inode_nohighmem()
2181 struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode) in timestamp_truncate() argument
2183 struct super_block *sb = inode->i_sb; in timestamp_truncate()
2213 struct timespec64 current_time(struct inode *inode) in current_time() argument
2219 if (unlikely(!inode->i_sb)) { in current_time()
2224 return timestamp_truncate(now, inode); in current_time()
2235 int vfs_ioc_setflags_prepare(struct inode *inode, unsigned int oldflags, in vfs_ioc_setflags_prepare() argument
2259 int vfs_ioc_fssetxattr_check(struct inode *inode, const struct fsxattr *old_fa, in vfs_ioc_fssetxattr_check() argument
2285 if ((fa->fsx_xflags & FS_XFLAG_EXTSIZE) && !S_ISREG(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2289 !S_ISDIR(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2293 !S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2301 !(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) in vfs_ioc_fssetxattr_check()