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 atomic64_set(&inode->i_sequence, 0); in inode_init_always()
141 atomic_set(&inode->i_count, 1); in inode_init_always()
142 inode->i_op = &empty_iops; in inode_init_always()
143 inode->i_fop = &no_open_fops; in inode_init_always()
144 inode->i_ino = 0; in inode_init_always()
145 inode->__i_nlink = 1; in inode_init_always()
146 inode->i_opflags = 0; in inode_init_always()
148 inode->i_opflags |= IOP_XATTR; in inode_init_always()
149 i_uid_write(inode, 0); in inode_init_always()
150 i_gid_write(inode, 0); in inode_init_always()
151 atomic_set(&inode->i_writecount, 0); in inode_init_always()
152 inode->i_size = 0; in inode_init_always()
153 inode->i_write_hint = WRITE_LIFE_NOT_SET; in inode_init_always()
154 inode->i_blocks = 0; in inode_init_always()
155 inode->i_bytes = 0; in inode_init_always()
156 inode->i_generation = 0; in inode_init_always()
157 inode->i_pipe = NULL; in inode_init_always()
158 inode->i_cdev = NULL; in inode_init_always()
159 inode->i_link = NULL; in inode_init_always()
160 inode->i_dir_seq = 0; in inode_init_always()
161 inode->i_rdev = 0; in inode_init_always()
162 inode->dirtied_when = 0; in inode_init_always()
165 inode->i_wb_frn_winner = 0; in inode_init_always()
166 inode->i_wb_frn_avg_time = 0; in inode_init_always()
167 inode->i_wb_frn_history = 0; in inode_init_always()
170 if (security_inode_alloc(inode)) in inode_init_always()
172 spin_lock_init(&inode->i_lock); in inode_init_always()
173 lockdep_set_class(&inode->i_lock, &sb->s_type->i_lock_key); in inode_init_always()
175 init_rwsem(&inode->i_rwsem); in inode_init_always()
176 lockdep_set_class(&inode->i_rwsem, &sb->s_type->i_mutex_key); in inode_init_always()
178 atomic_set(&inode->i_dio_count, 0); in inode_init_always()
181 mapping->host = inode; in inode_init_always()
195 inode->i_private = NULL; in inode_init_always()
196 inode->i_mapping = mapping; in inode_init_always()
197 INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ in inode_init_always()
199 inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; in inode_init_always()
203 inode->i_fsnotify_mask = 0; in inode_init_always()
205 inode->i_flctx = NULL; in inode_init_always()
214 void free_inode_nonrcu(struct inode *inode) in free_inode_nonrcu() argument
216 kmem_cache_free(inode_cachep, inode); in free_inode_nonrcu()
222 struct inode *inode = container_of(head, struct inode, i_rcu); in i_callback() local
223 if (inode->free_inode) in i_callback()
224 inode->free_inode(inode); in i_callback()
226 free_inode_nonrcu(inode); in i_callback()
229 static struct inode *alloc_inode(struct super_block *sb) in alloc_inode()
232 struct inode *inode; in alloc_inode() local
235 inode = ops->alloc_inode(sb); in alloc_inode()
237 inode = kmem_cache_alloc(inode_cachep, GFP_KERNEL); in alloc_inode()
239 if (!inode) in alloc_inode()
242 if (unlikely(inode_init_always(sb, inode))) { in alloc_inode()
244 ops->destroy_inode(inode); in alloc_inode()
248 inode->free_inode = ops->free_inode; in alloc_inode()
249 i_callback(&inode->i_rcu); in alloc_inode()
253 return inode; in alloc_inode()
256 void __destroy_inode(struct inode *inode) in __destroy_inode() argument
258 BUG_ON(inode_has_buffers(inode)); in __destroy_inode()
259 inode_detach_wb(inode); in __destroy_inode()
260 security_inode_free(inode); in __destroy_inode()
261 fsnotify_inode_delete(inode); in __destroy_inode()
262 locks_free_lock_context(inode); in __destroy_inode()
263 if (!inode->i_nlink) { in __destroy_inode()
264 WARN_ON(atomic_long_read(&inode->i_sb->s_remove_count) == 0); in __destroy_inode()
265 atomic_long_dec(&inode->i_sb->s_remove_count); in __destroy_inode()
269 if (inode->i_acl && !is_uncached_acl(inode->i_acl)) in __destroy_inode()
270 posix_acl_release(inode->i_acl); in __destroy_inode()
271 if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl)) in __destroy_inode()
272 posix_acl_release(inode->i_default_acl); in __destroy_inode()
278 static void destroy_inode(struct inode *inode) in destroy_inode() argument
280 const struct super_operations *ops = inode->i_sb->s_op; in destroy_inode()
282 BUG_ON(!list_empty(&inode->i_lru)); in destroy_inode()
283 __destroy_inode(inode); in destroy_inode()
285 ops->destroy_inode(inode); in destroy_inode()
289 inode->free_inode = ops->free_inode; in destroy_inode()
290 call_rcu(&inode->i_rcu, i_callback); in destroy_inode()
304 void drop_nlink(struct inode *inode) in drop_nlink() argument
306 WARN_ON(inode->i_nlink == 0); in drop_nlink()
307 inode->__i_nlink--; in drop_nlink()
308 if (!inode->i_nlink) in drop_nlink()
309 atomic_long_inc(&inode->i_sb->s_remove_count); in drop_nlink()
321 void clear_nlink(struct inode *inode) in clear_nlink() argument
323 if (inode->i_nlink) { in clear_nlink()
324 inode->__i_nlink = 0; in clear_nlink()
325 atomic_long_inc(&inode->i_sb->s_remove_count); in clear_nlink()
338 void set_nlink(struct inode *inode, unsigned int nlink) in set_nlink() argument
341 clear_nlink(inode); in set_nlink()
344 if (inode->i_nlink == 0) in set_nlink()
345 atomic_long_dec(&inode->i_sb->s_remove_count); in set_nlink()
347 inode->__i_nlink = nlink; in set_nlink()
360 void inc_nlink(struct inode *inode) in inc_nlink() argument
362 if (unlikely(inode->i_nlink == 0)) { in inc_nlink()
363 WARN_ON(!(inode->i_state & I_LINKABLE)); in inc_nlink()
364 atomic_long_dec(&inode->i_sb->s_remove_count); in inc_nlink()
367 inode->__i_nlink++; in inc_nlink()
392 void inode_init_once(struct inode *inode) in inode_init_once() argument
394 memset(inode, 0, sizeof(*inode)); in inode_init_once()
395 INIT_HLIST_NODE(&inode->i_hash); in inode_init_once()
396 INIT_LIST_HEAD(&inode->i_devices); in inode_init_once()
397 INIT_LIST_HEAD(&inode->i_io_list); in inode_init_once()
398 INIT_LIST_HEAD(&inode->i_wb_list); in inode_init_once()
399 INIT_LIST_HEAD(&inode->i_lru); in inode_init_once()
400 __address_space_init_once(&inode->i_data); in inode_init_once()
401 i_size_ordered_init(inode); in inode_init_once()
407 struct inode *inode = (struct inode *) foo; in init_once() local
409 inode_init_once(inode); in init_once()
415 void __iget(struct inode *inode) in __iget() argument
417 atomic_inc(&inode->i_count); in __iget()
423 void ihold(struct inode *inode) in ihold() argument
425 WARN_ON(atomic_inc_return(&inode->i_count) < 2); in ihold()
429 static void __inode_add_lru(struct inode *inode, bool rotate) in __inode_add_lru() argument
431 if (inode->i_state & (I_DIRTY_ALL | I_SYNC | I_FREEING | I_WILL_FREE)) in __inode_add_lru()
433 if (atomic_read(&inode->i_count)) in __inode_add_lru()
435 if (!(inode->i_sb->s_flags & SB_ACTIVE)) in __inode_add_lru()
437 if (!mapping_shrinkable(&inode->i_data)) in __inode_add_lru()
440 if (list_lru_add(&inode->i_sb->s_inode_lru, &inode->i_lru)) in __inode_add_lru()
443 inode->i_state |= I_REFERENCED; in __inode_add_lru()
451 void inode_add_lru(struct inode *inode) in inode_add_lru() argument
453 __inode_add_lru(inode, false); in inode_add_lru()
456 static void inode_lru_list_del(struct inode *inode) in inode_lru_list_del() argument
458 if (list_lru_del(&inode->i_sb->s_inode_lru, &inode->i_lru)) in inode_lru_list_del()
466 void inode_sb_list_add(struct inode *inode) in inode_sb_list_add() argument
468 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
469 list_add(&inode->i_sb_list, &inode->i_sb->s_inodes); in inode_sb_list_add()
470 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
474 static inline void inode_sb_list_del(struct inode *inode) in inode_sb_list_del() argument
476 if (!list_empty(&inode->i_sb_list)) { in inode_sb_list_del()
477 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
478 list_del_init(&inode->i_sb_list); in inode_sb_list_del()
479 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
501 void __insert_inode_hash(struct inode *inode, unsigned long hashval) in __insert_inode_hash() argument
503 struct hlist_head *b = inode_hashtable + hash(inode->i_sb, hashval); in __insert_inode_hash()
506 spin_lock(&inode->i_lock); in __insert_inode_hash()
507 hlist_add_head_rcu(&inode->i_hash, b); in __insert_inode_hash()
508 spin_unlock(&inode->i_lock); in __insert_inode_hash()
519 void __remove_inode_hash(struct inode *inode) in __remove_inode_hash() argument
522 spin_lock(&inode->i_lock); in __remove_inode_hash()
523 hlist_del_init_rcu(&inode->i_hash); in __remove_inode_hash()
524 spin_unlock(&inode->i_lock); in __remove_inode_hash()
529 void clear_inode(struct inode *inode) in clear_inode() argument
536 xa_lock_irq(&inode->i_data.i_pages); in clear_inode()
537 BUG_ON(inode->i_data.nrpages); in clear_inode()
546 xa_unlock_irq(&inode->i_data.i_pages); in clear_inode()
547 BUG_ON(!list_empty(&inode->i_data.private_list)); in clear_inode()
548 BUG_ON(!(inode->i_state & I_FREEING)); in clear_inode()
549 BUG_ON(inode->i_state & I_CLEAR); in clear_inode()
550 BUG_ON(!list_empty(&inode->i_wb_list)); in clear_inode()
552 inode->i_state = I_FREEING | I_CLEAR; in clear_inode()
569 static void evict(struct inode *inode) in evict() argument
571 const struct super_operations *op = inode->i_sb->s_op; in evict()
573 BUG_ON(!(inode->i_state & I_FREEING)); in evict()
574 BUG_ON(!list_empty(&inode->i_lru)); in evict()
576 if (!list_empty(&inode->i_io_list)) in evict()
577 inode_io_list_del(inode); in evict()
579 inode_sb_list_del(inode); in evict()
587 inode_wait_for_writeback(inode); in evict()
590 op->evict_inode(inode); in evict()
592 truncate_inode_pages_final(&inode->i_data); in evict()
593 clear_inode(inode); in evict()
595 if (S_ISCHR(inode->i_mode) && inode->i_cdev) in evict()
596 cd_forget(inode); in evict()
598 remove_inode_hash(inode); in evict()
600 spin_lock(&inode->i_lock); in evict()
601 wake_up_bit(&inode->i_state, __I_NEW); in evict()
602 BUG_ON(inode->i_state != (I_FREEING | I_CLEAR)); in evict()
603 spin_unlock(&inode->i_lock); in evict()
605 destroy_inode(inode); in evict()
618 struct inode *inode; in dispose_list() local
620 inode = list_first_entry(head, struct inode, i_lru); in dispose_list()
621 list_del_init(&inode->i_lru); in dispose_list()
623 evict(inode); in dispose_list()
639 struct inode *inode, *next; in evict_inodes() local
644 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in evict_inodes()
645 if (atomic_read(&inode->i_count)) in evict_inodes()
648 spin_lock(&inode->i_lock); in evict_inodes()
649 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in evict_inodes()
650 spin_unlock(&inode->i_lock); in evict_inodes()
654 inode->i_state |= I_FREEING; in evict_inodes()
655 inode_lru_list_del(inode); in evict_inodes()
656 spin_unlock(&inode->i_lock); in evict_inodes()
657 list_add(&inode->i_lru, &dispose); in evict_inodes()
690 struct inode *inode, *next; in invalidate_inodes() local
695 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in invalidate_inodes()
696 spin_lock(&inode->i_lock); in invalidate_inodes()
697 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in invalidate_inodes()
698 spin_unlock(&inode->i_lock); in invalidate_inodes()
701 if (inode->i_state & I_DIRTY_ALL && !kill_dirty) { in invalidate_inodes()
702 spin_unlock(&inode->i_lock); in invalidate_inodes()
706 if (atomic_read(&inode->i_count)) { in invalidate_inodes()
707 spin_unlock(&inode->i_lock); in invalidate_inodes()
712 inode->i_state |= I_FREEING; in invalidate_inodes()
713 inode_lru_list_del(inode); in invalidate_inodes()
714 spin_unlock(&inode->i_lock); in invalidate_inodes()
715 list_add(&inode->i_lru, &dispose); in invalidate_inodes()
745 struct inode *inode = container_of(item, struct inode, i_lru); in inode_lru_isolate() local
751 if (!spin_trylock(&inode->i_lock)) in inode_lru_isolate()
760 if (atomic_read(&inode->i_count) || in inode_lru_isolate()
761 (inode->i_state & ~I_REFERENCED) || in inode_lru_isolate()
762 !mapping_shrinkable(&inode->i_data)) { in inode_lru_isolate()
763 list_lru_isolate(lru, &inode->i_lru); in inode_lru_isolate()
764 spin_unlock(&inode->i_lock); in inode_lru_isolate()
770 if (inode->i_state & I_REFERENCED) { in inode_lru_isolate()
771 inode->i_state &= ~I_REFERENCED; in inode_lru_isolate()
772 spin_unlock(&inode->i_lock); in inode_lru_isolate()
781 if (inode_has_buffers(inode) || !mapping_empty(&inode->i_data)) { in inode_lru_isolate()
782 __iget(inode); in inode_lru_isolate()
783 spin_unlock(&inode->i_lock); in inode_lru_isolate()
785 if (remove_inode_buffers(inode)) { in inode_lru_isolate()
787 reap = invalidate_mapping_pages(&inode->i_data, 0, -1); in inode_lru_isolate()
795 iput(inode); in inode_lru_isolate()
800 WARN_ON(inode->i_state & I_NEW); in inode_lru_isolate()
801 inode->i_state |= I_FREEING; in inode_lru_isolate()
802 list_lru_isolate_move(lru, &inode->i_lru, freeable); in inode_lru_isolate()
803 spin_unlock(&inode->i_lock); in inode_lru_isolate()
826 static void __wait_on_freeing_inode(struct inode *inode);
830 static struct inode *find_inode(struct super_block *sb, in find_inode()
832 int (*test)(struct inode *, void *), in find_inode() argument
835 struct inode *inode = NULL; in find_inode() local
838 hlist_for_each_entry(inode, head, i_hash) { in find_inode()
839 if (inode->i_sb != sb) in find_inode()
841 if (!test(inode, data)) in find_inode()
843 spin_lock(&inode->i_lock); in find_inode()
844 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode()
845 __wait_on_freeing_inode(inode); in find_inode()
848 if (unlikely(inode->i_state & I_CREATING)) { in find_inode()
849 spin_unlock(&inode->i_lock); in find_inode()
852 __iget(inode); in find_inode()
853 spin_unlock(&inode->i_lock); in find_inode()
854 return inode; in find_inode()
863 static struct inode *find_inode_fast(struct super_block *sb, in find_inode_fast()
866 struct inode *inode = NULL; in find_inode_fast() local
869 hlist_for_each_entry(inode, head, i_hash) { in find_inode_fast()
870 if (inode->i_ino != ino) in find_inode_fast()
872 if (inode->i_sb != sb) in find_inode_fast()
874 spin_lock(&inode->i_lock); in find_inode_fast()
875 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode_fast()
876 __wait_on_freeing_inode(inode); in find_inode_fast()
879 if (unlikely(inode->i_state & I_CREATING)) { in find_inode_fast()
880 spin_unlock(&inode->i_lock); in find_inode_fast()
883 __iget(inode); in find_inode_fast()
884 spin_unlock(&inode->i_lock); in find_inode_fast()
885 return inode; in find_inode_fast()
942 struct inode *new_inode_pseudo(struct super_block *sb) in new_inode_pseudo()
944 struct inode *inode = alloc_inode(sb); in new_inode_pseudo() local
946 if (inode) { in new_inode_pseudo()
947 spin_lock(&inode->i_lock); in new_inode_pseudo()
948 inode->i_state = 0; in new_inode_pseudo()
949 spin_unlock(&inode->i_lock); in new_inode_pseudo()
950 INIT_LIST_HEAD(&inode->i_sb_list); in new_inode_pseudo()
952 return inode; in new_inode_pseudo()
967 struct inode *new_inode(struct super_block *sb) in new_inode()
969 struct inode *inode; in new_inode() local
973 inode = new_inode_pseudo(sb); in new_inode()
974 if (inode) in new_inode()
975 inode_sb_list_add(inode); in new_inode()
976 return inode; in new_inode()
981 void lockdep_annotate_inode_mutex_key(struct inode *inode) in lockdep_annotate_inode_mutex_key() argument
983 if (S_ISDIR(inode->i_mode)) { in lockdep_annotate_inode_mutex_key()
984 struct file_system_type *type = inode->i_sb->s_type; in lockdep_annotate_inode_mutex_key()
987 if (lockdep_match_class(&inode->i_rwsem, &type->i_mutex_key)) { in lockdep_annotate_inode_mutex_key()
992 init_rwsem(&inode->i_rwsem); in lockdep_annotate_inode_mutex_key()
993 lockdep_set_class(&inode->i_rwsem, in lockdep_annotate_inode_mutex_key()
1008 void unlock_new_inode(struct inode *inode) in unlock_new_inode() argument
1010 lockdep_annotate_inode_mutex_key(inode); in unlock_new_inode()
1011 spin_lock(&inode->i_lock); in unlock_new_inode()
1012 WARN_ON(!(inode->i_state & I_NEW)); in unlock_new_inode()
1013 inode->i_state &= ~I_NEW & ~I_CREATING; in unlock_new_inode()
1015 wake_up_bit(&inode->i_state, __I_NEW); in unlock_new_inode()
1016 spin_unlock(&inode->i_lock); in unlock_new_inode()
1020 void discard_new_inode(struct inode *inode) in discard_new_inode() argument
1022 lockdep_annotate_inode_mutex_key(inode); in discard_new_inode()
1023 spin_lock(&inode->i_lock); in discard_new_inode()
1024 WARN_ON(!(inode->i_state & I_NEW)); in discard_new_inode()
1025 inode->i_state &= ~I_NEW; in discard_new_inode()
1027 wake_up_bit(&inode->i_state, __I_NEW); in discard_new_inode()
1028 spin_unlock(&inode->i_lock); in discard_new_inode()
1029 iput(inode); in discard_new_inode()
1042 void lock_two_nondirectories(struct inode *inode1, struct inode *inode2) in lock_two_nondirectories()
1059 void unlock_two_nondirectories(struct inode *inode1, struct inode *inode2) in unlock_two_nondirectories()
1088 struct inode *inode_insert5(struct inode *inode, unsigned long hashval, in inode_insert5() argument
1089 int (*test)(struct inode *, void *), in inode_insert5() argument
1090 int (*set)(struct inode *, void *), void *data) in inode_insert5() argument
1092 struct hlist_head *head = inode_hashtable + hash(inode->i_sb, hashval); in inode_insert5()
1093 struct inode *old; in inode_insert5()
1094 bool creating = inode->i_state & I_CREATING; in inode_insert5()
1098 old = find_inode(inode->i_sb, head, test, data); in inode_insert5()
1115 if (set && unlikely(set(inode, data))) { in inode_insert5()
1116 inode = NULL; in inode_insert5()
1124 spin_lock(&inode->i_lock); in inode_insert5()
1125 inode->i_state |= I_NEW; in inode_insert5()
1126 hlist_add_head_rcu(&inode->i_hash, head); in inode_insert5()
1127 spin_unlock(&inode->i_lock); in inode_insert5()
1129 inode_sb_list_add(inode); in inode_insert5()
1133 return inode; in inode_insert5()
1157 struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, in iget5_locked()
1158 int (*test)(struct inode *, void *), in iget5_locked() argument
1159 int (*set)(struct inode *, void *), void *data) in iget5_locked() argument
1161 struct inode *inode = ilookup5(sb, hashval, test, data); in iget5_locked() local
1163 if (!inode) { in iget5_locked()
1164 struct inode *new = alloc_inode(sb); in iget5_locked()
1168 inode = inode_insert5(new, hashval, test, set, data); in iget5_locked()
1169 if (unlikely(inode != new)) in iget5_locked()
1173 return inode; in iget5_locked()
1190 struct inode *iget_locked(struct super_block *sb, unsigned long ino) in iget_locked()
1193 struct inode *inode; in iget_locked() local
1196 inode = find_inode_fast(sb, head, ino); in iget_locked()
1198 if (inode) { in iget_locked()
1199 if (IS_ERR(inode)) in iget_locked()
1201 wait_on_inode(inode); in iget_locked()
1202 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1203 iput(inode); in iget_locked()
1206 return inode; in iget_locked()
1209 inode = alloc_inode(sb); in iget_locked()
1210 if (inode) { in iget_locked()
1211 struct inode *old; in iget_locked()
1217 inode->i_ino = ino; in iget_locked()
1218 spin_lock(&inode->i_lock); in iget_locked()
1219 inode->i_state = I_NEW; in iget_locked()
1220 hlist_add_head_rcu(&inode->i_hash, head); in iget_locked()
1221 spin_unlock(&inode->i_lock); in iget_locked()
1222 inode_sb_list_add(inode); in iget_locked()
1228 return inode; in iget_locked()
1237 destroy_inode(inode); in iget_locked()
1240 inode = old; in iget_locked()
1241 wait_on_inode(inode); in iget_locked()
1242 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1243 iput(inode); in iget_locked()
1247 return inode; in iget_locked()
1261 struct inode *inode; in test_inode_iunique() local
1263 hlist_for_each_entry_rcu(inode, b, i_hash) { in test_inode_iunique()
1264 if (inode->i_ino == ino && inode->i_sb == sb) in test_inode_iunique()
1309 struct inode *igrab(struct inode *inode) in igrab() argument
1311 spin_lock(&inode->i_lock); in igrab()
1312 if (!(inode->i_state & (I_FREEING|I_WILL_FREE))) { in igrab()
1313 __iget(inode); in igrab()
1314 spin_unlock(&inode->i_lock); in igrab()
1316 spin_unlock(&inode->i_lock); in igrab()
1322 inode = NULL; in igrab()
1324 return inode; in igrab()
1344 struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval, in ilookup5_nowait()
1345 int (*test)(struct inode *, void *), void *data) in ilookup5_nowait() argument
1348 struct inode *inode; in ilookup5_nowait() local
1351 inode = find_inode(sb, head, test, data); in ilookup5_nowait()
1354 return IS_ERR(inode) ? NULL : inode; in ilookup5_nowait()
1375 struct inode *ilookup5(struct super_block *sb, unsigned long hashval, in ilookup5()
1376 int (*test)(struct inode *, void *), void *data) in ilookup5() argument
1378 struct inode *inode; in ilookup5() local
1380 inode = ilookup5_nowait(sb, hashval, test, data); in ilookup5()
1381 if (inode) { in ilookup5()
1382 wait_on_inode(inode); in ilookup5()
1383 if (unlikely(inode_unhashed(inode))) { in ilookup5()
1384 iput(inode); in ilookup5()
1388 return inode; in ilookup5()
1400 struct inode *ilookup(struct super_block *sb, unsigned long ino) in ilookup()
1403 struct inode *inode; in ilookup() local
1406 inode = find_inode_fast(sb, head, ino); in ilookup()
1409 if (inode) { in ilookup()
1410 if (IS_ERR(inode)) in ilookup()
1412 wait_on_inode(inode); in ilookup()
1413 if (unlikely(inode_unhashed(inode))) { in ilookup()
1414 iput(inode); in ilookup()
1418 return inode; in ilookup()
1445 struct inode *find_inode_nowait(struct super_block *sb, in find_inode_nowait()
1447 int (*match)(struct inode *, unsigned long, in find_inode_nowait() argument
1452 struct inode *inode, *ret_inode = NULL; in find_inode_nowait() local
1456 hlist_for_each_entry(inode, head, i_hash) { in find_inode_nowait()
1457 if (inode->i_sb != sb) in find_inode_nowait()
1459 mval = match(inode, hashval, data); in find_inode_nowait()
1463 ret_inode = inode; in find_inode_nowait()
1493 struct inode *find_inode_rcu(struct super_block *sb, unsigned long hashval, in find_inode_rcu()
1494 int (*test)(struct inode *, void *), void *data) in find_inode_rcu() argument
1497 struct inode *inode; in find_inode_rcu() local
1502 hlist_for_each_entry_rcu(inode, head, i_hash) { in find_inode_rcu()
1503 if (inode->i_sb == sb && in find_inode_rcu()
1504 !(READ_ONCE(inode->i_state) & (I_FREEING | I_WILL_FREE)) && in find_inode_rcu()
1505 test(inode, data)) in find_inode_rcu()
1506 return inode; in find_inode_rcu()
1531 struct inode *find_inode_by_ino_rcu(struct super_block *sb, in find_inode_by_ino_rcu()
1535 struct inode *inode; in find_inode_by_ino_rcu() local
1540 hlist_for_each_entry_rcu(inode, head, i_hash) { in find_inode_by_ino_rcu()
1541 if (inode->i_ino == ino && in find_inode_by_ino_rcu()
1542 inode->i_sb == sb && in find_inode_by_ino_rcu()
1543 !(READ_ONCE(inode->i_state) & (I_FREEING | I_WILL_FREE))) in find_inode_by_ino_rcu()
1544 return inode; in find_inode_by_ino_rcu()
1550 int insert_inode_locked(struct inode *inode) in insert_inode_locked() argument
1552 struct super_block *sb = inode->i_sb; in insert_inode_locked()
1553 ino_t ino = inode->i_ino; in insert_inode_locked()
1557 struct inode *old = NULL; in insert_inode_locked()
1572 spin_lock(&inode->i_lock); in insert_inode_locked()
1573 inode->i_state |= I_NEW | I_CREATING; in insert_inode_locked()
1574 hlist_add_head_rcu(&inode->i_hash, head); in insert_inode_locked()
1575 spin_unlock(&inode->i_lock); in insert_inode_locked()
1597 int insert_inode_locked4(struct inode *inode, unsigned long hashval, in insert_inode_locked4() argument
1598 int (*test)(struct inode *, void *), void *data) in insert_inode_locked4() argument
1600 struct inode *old; in insert_inode_locked4()
1602 inode->i_state |= I_CREATING; in insert_inode_locked4()
1603 old = inode_insert5(inode, hashval, test, NULL, data); in insert_inode_locked4()
1605 if (old != inode) { in insert_inode_locked4()
1614 int generic_delete_inode(struct inode *inode) in generic_delete_inode() argument
1630 static void iput_final(struct inode *inode) in iput_final() argument
1632 struct super_block *sb = inode->i_sb; in iput_final()
1633 const struct super_operations *op = inode->i_sb->s_op; in iput_final()
1637 WARN_ON(inode->i_state & I_NEW); in iput_final()
1640 drop = op->drop_inode(inode); in iput_final()
1642 drop = generic_drop_inode(inode); in iput_final()
1645 !(inode->i_state & I_DONTCACHE) && in iput_final()
1647 __inode_add_lru(inode, true); in iput_final()
1648 spin_unlock(&inode->i_lock); in iput_final()
1652 state = inode->i_state; in iput_final()
1654 WRITE_ONCE(inode->i_state, state | I_WILL_FREE); in iput_final()
1655 spin_unlock(&inode->i_lock); in iput_final()
1657 write_inode_now(inode, 1); in iput_final()
1659 spin_lock(&inode->i_lock); in iput_final()
1660 state = inode->i_state; in iput_final()
1665 WRITE_ONCE(inode->i_state, state | I_FREEING); in iput_final()
1666 if (!list_empty(&inode->i_lru)) in iput_final()
1667 inode_lru_list_del(inode); in iput_final()
1668 spin_unlock(&inode->i_lock); in iput_final()
1670 evict(inode); in iput_final()
1682 void iput(struct inode *inode) in iput() argument
1684 if (!inode) in iput()
1686 BUG_ON(inode->i_state & I_CLEAR); in iput()
1688 if (atomic_dec_and_lock(&inode->i_count, &inode->i_lock)) { in iput()
1689 if (inode->i_nlink && (inode->i_state & I_DIRTY_TIME)) { in iput()
1690 atomic_inc(&inode->i_count); in iput()
1691 spin_unlock(&inode->i_lock); in iput()
1692 trace_writeback_lazytime_iput(inode); in iput()
1693 mark_inode_dirty_sync(inode); in iput()
1696 iput_final(inode); in iput()
1716 int bmap(struct inode *inode, sector_t *block) in bmap() argument
1718 if (!inode->i_mapping->a_ops->bmap) in bmap()
1721 *block = inode->i_mapping->a_ops->bmap(inode->i_mapping, *block); in bmap()
1732 static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, in relatime_need_update() argument
1741 if (timespec64_compare(&inode->i_mtime, &inode->i_atime) >= 0) in relatime_need_update()
1746 if (timespec64_compare(&inode->i_ctime, &inode->i_atime) >= 0) in relatime_need_update()
1753 if ((long)(now.tv_sec - inode->i_atime.tv_sec) >= 24*60*60) in relatime_need_update()
1761 int generic_update_time(struct inode *inode, struct timespec64 *time, int flags) in generic_update_time() argument
1767 inode->i_atime = *time; in generic_update_time()
1769 inode->i_ctime = *time; in generic_update_time()
1771 inode->i_mtime = *time; in generic_update_time()
1773 if (inode->i_sb->s_flags & SB_LAZYTIME) in generic_update_time()
1779 if ((flags & S_VERSION) && inode_maybe_inc_iversion(inode, false)) in generic_update_time()
1782 __mark_inode_dirty(inode, dirty_flags); in generic_update_time()
1791 int inode_update_time(struct inode *inode, struct timespec64 *time, int flags) in inode_update_time() argument
1793 if (inode->i_op->update_time) in inode_update_time()
1794 return inode->i_op->update_time(inode, time, flags); in inode_update_time()
1795 return generic_update_time(inode, time, flags); in inode_update_time()
1808 bool atime_needs_update(const struct path *path, struct inode *inode) in atime_needs_update() argument
1813 if (inode->i_flags & S_NOATIME) in atime_needs_update()
1819 if (HAS_UNMAPPED_ID(mnt_user_ns(mnt), inode)) in atime_needs_update()
1822 if (IS_NOATIME(inode)) in atime_needs_update()
1824 if ((inode->i_sb->s_flags & SB_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1829 if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1832 now = current_time(inode); in atime_needs_update()
1834 if (!relatime_need_update(mnt, inode, now)) in atime_needs_update()
1837 if (timespec64_equal(&inode->i_atime, &now)) in atime_needs_update()
1846 struct inode *inode = d_inode(path->dentry); in touch_atime() local
1849 if (!atime_needs_update(path, inode)) in touch_atime()
1852 if (!sb_start_write_trylock(inode->i_sb)) in touch_atime()
1866 now = current_time(inode); in touch_atime()
1867 inode_update_time(inode, &now, S_ATIME); in touch_atime()
1870 sb_end_write(inode->i_sb); in touch_atime()
1910 struct inode *inode = d_inode(dentry); in dentry_needs_remove_privs() local
1914 if (IS_NOSEC(inode)) in dentry_needs_remove_privs()
1946 struct inode *inode = file_inode(file); in file_remove_privs() local
1956 if (IS_NOSEC(inode) || !S_ISREG(inode->i_mode)) in file_remove_privs()
1965 inode_has_no_xattr(inode); in file_remove_privs()
1986 struct inode *inode = file_inode(file); in file_update_time() local
1992 if (IS_NOCMTIME(inode)) in file_update_time()
1995 now = current_time(inode); in file_update_time()
1996 if (!timespec64_equal(&inode->i_mtime, &now)) in file_update_time()
1999 if (!timespec64_equal(&inode->i_ctime, &now)) in file_update_time()
2002 if (IS_I_VERSION(inode) && inode_iversion_need_inc(inode)) in file_update_time()
2012 ret = inode_update_time(inode, &now, sync_it); in file_update_time()
2039 int inode_needs_sync(struct inode *inode) in inode_needs_sync() argument
2041 if (IS_SYNC(inode)) in inode_needs_sync()
2043 if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) in inode_needs_sync()
2060 static void __wait_on_freeing_inode(struct inode *inode) in __wait_on_freeing_inode() argument
2063 DEFINE_WAIT_BIT(wait, &inode->i_state, __I_NEW); in __wait_on_freeing_inode()
2064 wq = bit_waitqueue(&inode->i_state, __I_NEW); in __wait_on_freeing_inode()
2066 spin_unlock(&inode->i_lock); in __wait_on_freeing_inode()
2110 sizeof(struct inode), in inode_init()
2132 void init_special_inode(struct inode *inode, umode_t mode, dev_t rdev) in init_special_inode() argument
2134 inode->i_mode = mode; in init_special_inode()
2136 inode->i_fop = &def_chr_fops; in init_special_inode()
2137 inode->i_rdev = rdev; in init_special_inode()
2139 inode->i_fop = &def_blk_fops; in init_special_inode()
2140 inode->i_rdev = rdev; in init_special_inode()
2142 inode->i_fop = &pipefifo_fops; in init_special_inode()
2147 " inode %s:%lu\n", mode, inode->i_sb->s_id, in init_special_inode()
2148 inode->i_ino); in init_special_inode()
2165 void inode_init_owner(struct user_namespace *mnt_userns, struct inode *inode, in inode_init_owner() argument
2166 const struct inode *dir, umode_t mode) in inode_init_owner()
2168 inode_fsuid_set(inode, mnt_userns); in inode_init_owner()
2170 inode->i_gid = dir->i_gid; in inode_init_owner()
2180 inode_fsgid_set(inode, mnt_userns); in inode_init_owner()
2181 inode->i_mode = mode; in inode_init_owner()
2200 const struct inode *inode) in inode_owner_or_capable() argument
2205 i_uid = i_uid_into_mnt(mnt_userns, inode); in inode_owner_or_capable()
2219 static void __inode_dio_wait(struct inode *inode) in __inode_dio_wait() argument
2221 wait_queue_head_t *wq = bit_waitqueue(&inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2222 DEFINE_WAIT_BIT(q, &inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2226 if (atomic_read(&inode->i_dio_count)) in __inode_dio_wait()
2228 } while (atomic_read(&inode->i_dio_count)); in __inode_dio_wait()
2242 void inode_dio_wait(struct inode *inode) in inode_dio_wait() argument
2244 if (atomic_read(&inode->i_dio_count)) in inode_dio_wait()
2245 __inode_dio_wait(inode); in inode_dio_wait()
2265 void inode_set_flags(struct inode *inode, unsigned int flags, in inode_set_flags() argument
2269 set_mask_bits(&inode->i_flags, mask, flags); in inode_set_flags()
2273 void inode_nohighmem(struct inode *inode) in inode_nohighmem() argument
2275 mapping_set_gfp_mask(inode->i_mapping, GFP_USER); in inode_nohighmem()
2288 struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode) in timestamp_truncate() argument
2290 struct super_block *sb = inode->i_sb; in timestamp_truncate()
2320 struct timespec64 current_time(struct inode *inode) in current_time() argument
2326 if (unlikely(!inode->i_sb)) { in current_time()
2331 return timestamp_truncate(now, inode); in current_time()