Lines Matching refs:inode
119 static int no_open(struct inode *inode, struct file *file) in no_open() argument
132 int inode_init_always(struct super_block *sb, struct inode *inode) in inode_init_always() argument
136 struct address_space *const mapping = &inode->i_data; in inode_init_always()
138 inode->i_sb = sb; in inode_init_always()
139 inode->i_blkbits = sb->s_blocksize_bits; in inode_init_always()
140 inode->i_flags = 0; in inode_init_always()
141 atomic64_set(&inode->i_sequence, 0); in inode_init_always()
142 atomic_set(&inode->i_count, 1); in inode_init_always()
143 inode->i_op = &empty_iops; in inode_init_always()
144 inode->i_fop = &no_open_fops; 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_bdev = NULL; in inode_init_always()
159 inode->i_cdev = NULL; in inode_init_always()
160 inode->i_link = NULL; in inode_init_always()
161 inode->i_dir_seq = 0; in inode_init_always()
162 inode->i_rdev = 0; in inode_init_always()
163 inode->dirtied_when = 0; in inode_init_always()
166 inode->i_wb_frn_winner = 0; in inode_init_always()
167 inode->i_wb_frn_avg_time = 0; in inode_init_always()
168 inode->i_wb_frn_history = 0; 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()
192 inode->i_private = NULL; in inode_init_always()
193 inode->i_mapping = mapping; in inode_init_always()
194 INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ in inode_init_always()
196 inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; in inode_init_always()
200 inode->i_fsnotify_mask = 0; in inode_init_always()
202 inode->i_flctx = NULL; in inode_init_always()
204 if (unlikely(security_inode_alloc(inode))) in inode_init_always()
212 void free_inode_nonrcu(struct inode *inode) in free_inode_nonrcu() argument
214 kmem_cache_free(inode_cachep, inode); in free_inode_nonrcu()
220 struct inode *inode = container_of(head, struct inode, i_rcu); in i_callback() local
221 if (inode->free_inode) in i_callback()
222 inode->free_inode(inode); in i_callback()
224 free_inode_nonrcu(inode); in i_callback()
227 static struct inode *alloc_inode(struct super_block *sb) in alloc_inode()
230 struct inode *inode; in alloc_inode() local
233 inode = ops->alloc_inode(sb); in alloc_inode()
235 inode = kmem_cache_alloc(inode_cachep, GFP_KERNEL); in alloc_inode()
237 if (!inode) in alloc_inode()
240 if (unlikely(inode_init_always(sb, inode))) { in alloc_inode()
242 ops->destroy_inode(inode); in alloc_inode()
246 inode->free_inode = ops->free_inode; in alloc_inode()
247 i_callback(&inode->i_rcu); in alloc_inode()
251 return inode; in alloc_inode()
254 void __destroy_inode(struct inode *inode) in __destroy_inode() argument
256 BUG_ON(inode_has_buffers(inode)); in __destroy_inode()
257 inode_detach_wb(inode); in __destroy_inode()
258 security_inode_free(inode); in __destroy_inode()
259 fsnotify_inode_delete(inode); in __destroy_inode()
260 locks_free_lock_context(inode); in __destroy_inode()
261 if (!inode->i_nlink) { in __destroy_inode()
262 WARN_ON(atomic_long_read(&inode->i_sb->s_remove_count) == 0); in __destroy_inode()
263 atomic_long_dec(&inode->i_sb->s_remove_count); in __destroy_inode()
267 if (inode->i_acl && !is_uncached_acl(inode->i_acl)) in __destroy_inode()
268 posix_acl_release(inode->i_acl); in __destroy_inode()
269 if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl)) in __destroy_inode()
270 posix_acl_release(inode->i_default_acl); in __destroy_inode()
276 static void destroy_inode(struct inode *inode) in destroy_inode() argument
278 const struct super_operations *ops = inode->i_sb->s_op; in destroy_inode()
280 BUG_ON(!list_empty(&inode->i_lru)); in destroy_inode()
281 __destroy_inode(inode); in destroy_inode()
283 ops->destroy_inode(inode); in destroy_inode()
287 inode->free_inode = ops->free_inode; in destroy_inode()
288 call_rcu(&inode->i_rcu, i_callback); in destroy_inode()
302 void drop_nlink(struct inode *inode) in drop_nlink() argument
304 WARN_ON(inode->i_nlink == 0); in drop_nlink()
305 inode->__i_nlink--; in drop_nlink()
306 if (!inode->i_nlink) in drop_nlink()
307 atomic_long_inc(&inode->i_sb->s_remove_count); in drop_nlink()
319 void clear_nlink(struct inode *inode) in clear_nlink() argument
321 if (inode->i_nlink) { in clear_nlink()
322 inode->__i_nlink = 0; in clear_nlink()
323 atomic_long_inc(&inode->i_sb->s_remove_count); in clear_nlink()
336 void set_nlink(struct inode *inode, unsigned int nlink) in set_nlink() argument
339 clear_nlink(inode); in set_nlink()
342 if (inode->i_nlink == 0) in set_nlink()
343 atomic_long_dec(&inode->i_sb->s_remove_count); in set_nlink()
345 inode->__i_nlink = nlink; in set_nlink()
358 void inc_nlink(struct inode *inode) in inc_nlink() argument
360 if (unlikely(inode->i_nlink == 0)) { in inc_nlink()
361 WARN_ON(!(inode->i_state & I_LINKABLE)); in inc_nlink()
362 atomic_long_dec(&inode->i_sb->s_remove_count); in inc_nlink()
365 inode->__i_nlink++; in inc_nlink()
390 void inode_init_once(struct inode *inode) in inode_init_once() argument
392 memset(inode, 0, sizeof(*inode)); in inode_init_once()
393 INIT_HLIST_NODE(&inode->i_hash); in inode_init_once()
394 INIT_LIST_HEAD(&inode->i_devices); in inode_init_once()
395 INIT_LIST_HEAD(&inode->i_io_list); in inode_init_once()
396 INIT_LIST_HEAD(&inode->i_wb_list); in inode_init_once()
397 INIT_LIST_HEAD(&inode->i_lru); in inode_init_once()
398 __address_space_init_once(&inode->i_data); in inode_init_once()
399 i_size_ordered_init(inode); in inode_init_once()
405 struct inode *inode = (struct inode *) foo; in init_once() local
407 inode_init_once(inode); in init_once()
413 void __iget(struct inode *inode) in __iget() argument
415 atomic_inc(&inode->i_count); in __iget()
421 void ihold(struct inode *inode) in ihold() argument
423 WARN_ON(atomic_inc_return(&inode->i_count) < 2); in ihold()
427 static void inode_lru_list_add(struct inode *inode) in inode_lru_list_add() argument
429 if (list_lru_add(&inode->i_sb->s_inode_lru, &inode->i_lru)) in inode_lru_list_add()
432 inode->i_state |= I_REFERENCED; in inode_lru_list_add()
440 void inode_add_lru(struct inode *inode) in inode_add_lru() argument
442 if (!(inode->i_state & (I_DIRTY_ALL | I_SYNC | in inode_add_lru()
444 !atomic_read(&inode->i_count) && inode->i_sb->s_flags & SB_ACTIVE) in inode_add_lru()
445 inode_lru_list_add(inode); in inode_add_lru()
449 static void inode_lru_list_del(struct inode *inode) in inode_lru_list_del() argument
452 if (list_lru_del(&inode->i_sb->s_inode_lru, &inode->i_lru)) in inode_lru_list_del()
460 void inode_sb_list_add(struct inode *inode) in inode_sb_list_add() argument
462 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
463 list_add(&inode->i_sb_list, &inode->i_sb->s_inodes); in inode_sb_list_add()
464 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
468 static inline void inode_sb_list_del(struct inode *inode) in inode_sb_list_del() argument
470 if (!list_empty(&inode->i_sb_list)) { in inode_sb_list_del()
471 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
472 list_del_init(&inode->i_sb_list); in inode_sb_list_del()
473 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
495 void __insert_inode_hash(struct inode *inode, unsigned long hashval) in __insert_inode_hash() argument
497 struct hlist_head *b = inode_hashtable + hash(inode->i_sb, hashval); in __insert_inode_hash()
500 spin_lock(&inode->i_lock); in __insert_inode_hash()
501 hlist_add_head_rcu(&inode->i_hash, b); in __insert_inode_hash()
502 spin_unlock(&inode->i_lock); in __insert_inode_hash()
513 void __remove_inode_hash(struct inode *inode) in __remove_inode_hash() argument
516 spin_lock(&inode->i_lock); in __remove_inode_hash()
517 hlist_del_init_rcu(&inode->i_hash); in __remove_inode_hash()
518 spin_unlock(&inode->i_lock); in __remove_inode_hash()
523 void clear_inode(struct inode *inode) in clear_inode() argument
530 xa_lock_irq(&inode->i_data.i_pages); in clear_inode()
531 BUG_ON(inode->i_data.nrpages); in clear_inode()
532 BUG_ON(inode->i_data.nrexceptional); in clear_inode()
533 xa_unlock_irq(&inode->i_data.i_pages); in clear_inode()
534 BUG_ON(!list_empty(&inode->i_data.private_list)); in clear_inode()
535 BUG_ON(!(inode->i_state & I_FREEING)); in clear_inode()
536 BUG_ON(inode->i_state & I_CLEAR); in clear_inode()
537 BUG_ON(!list_empty(&inode->i_wb_list)); in clear_inode()
539 inode->i_state = I_FREEING | I_CLEAR; in clear_inode()
556 static void evict(struct inode *inode) in evict() argument
558 const struct super_operations *op = inode->i_sb->s_op; in evict()
560 BUG_ON(!(inode->i_state & I_FREEING)); in evict()
561 BUG_ON(!list_empty(&inode->i_lru)); in evict()
563 if (!list_empty(&inode->i_io_list)) in evict()
564 inode_io_list_del(inode); in evict()
566 inode_sb_list_del(inode); in evict()
574 inode_wait_for_writeback(inode); in evict()
577 op->evict_inode(inode); in evict()
579 truncate_inode_pages_final(&inode->i_data); in evict()
580 clear_inode(inode); in evict()
582 if (S_ISBLK(inode->i_mode) && inode->i_bdev) in evict()
583 bd_forget(inode); in evict()
584 if (S_ISCHR(inode->i_mode) && inode->i_cdev) in evict()
585 cd_forget(inode); in evict()
587 remove_inode_hash(inode); in evict()
589 spin_lock(&inode->i_lock); in evict()
590 wake_up_bit(&inode->i_state, __I_NEW); in evict()
591 BUG_ON(inode->i_state != (I_FREEING | I_CLEAR)); in evict()
592 spin_unlock(&inode->i_lock); in evict()
594 destroy_inode(inode); in evict()
607 struct inode *inode; in dispose_list() local
609 inode = list_first_entry(head, struct inode, i_lru); in dispose_list()
610 list_del_init(&inode->i_lru); in dispose_list()
612 evict(inode); in dispose_list()
628 struct inode *inode, *next; in evict_inodes() local
633 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in evict_inodes()
634 if (atomic_read(&inode->i_count)) in evict_inodes()
637 spin_lock(&inode->i_lock); in evict_inodes()
638 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in evict_inodes()
639 spin_unlock(&inode->i_lock); in evict_inodes()
643 inode->i_state |= I_FREEING; in evict_inodes()
644 inode_lru_list_del(inode); in evict_inodes()
645 spin_unlock(&inode->i_lock); in evict_inodes()
646 list_add(&inode->i_lru, &dispose); in evict_inodes()
679 struct inode *inode, *next; in invalidate_inodes() local
684 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in invalidate_inodes()
685 spin_lock(&inode->i_lock); in invalidate_inodes()
686 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in invalidate_inodes()
687 spin_unlock(&inode->i_lock); in invalidate_inodes()
690 if (inode->i_state & I_DIRTY_ALL && !kill_dirty) { in invalidate_inodes()
691 spin_unlock(&inode->i_lock); in invalidate_inodes()
695 if (atomic_read(&inode->i_count)) { in invalidate_inodes()
696 spin_unlock(&inode->i_lock); in invalidate_inodes()
701 inode->i_state |= I_FREEING; in invalidate_inodes()
702 inode_lru_list_del(inode); in invalidate_inodes()
703 spin_unlock(&inode->i_lock); in invalidate_inodes()
704 list_add(&inode->i_lru, &dispose); in invalidate_inodes()
738 struct inode *inode = container_of(item, struct inode, i_lru); in inode_lru_isolate() local
744 if (!spin_trylock(&inode->i_lock)) in inode_lru_isolate()
751 if (atomic_read(&inode->i_count) || in inode_lru_isolate()
752 (inode->i_state & ~I_REFERENCED)) { in inode_lru_isolate()
753 list_lru_isolate(lru, &inode->i_lru); in inode_lru_isolate()
754 spin_unlock(&inode->i_lock); in inode_lru_isolate()
760 if (inode->i_state & I_REFERENCED) { in inode_lru_isolate()
761 inode->i_state &= ~I_REFERENCED; in inode_lru_isolate()
762 spin_unlock(&inode->i_lock); in inode_lru_isolate()
766 if (inode_has_buffers(inode) || inode->i_data.nrpages) { in inode_lru_isolate()
767 __iget(inode); in inode_lru_isolate()
768 spin_unlock(&inode->i_lock); in inode_lru_isolate()
770 if (remove_inode_buffers(inode)) { in inode_lru_isolate()
772 reap = invalidate_mapping_pages(&inode->i_data, 0, -1); in inode_lru_isolate()
780 iput(inode); in inode_lru_isolate()
785 WARN_ON(inode->i_state & I_NEW); in inode_lru_isolate()
786 inode->i_state |= I_FREEING; in inode_lru_isolate()
787 list_lru_isolate_move(lru, &inode->i_lru, freeable); in inode_lru_isolate()
788 spin_unlock(&inode->i_lock); in inode_lru_isolate()
811 static void __wait_on_freeing_inode(struct inode *inode);
815 static struct inode *find_inode(struct super_block *sb, in find_inode()
817 int (*test)(struct inode *, void *), in find_inode() argument
820 struct inode *inode = NULL; in find_inode() local
823 hlist_for_each_entry(inode, head, i_hash) { in find_inode()
824 if (inode->i_sb != sb) in find_inode()
826 if (!test(inode, data)) in find_inode()
828 spin_lock(&inode->i_lock); in find_inode()
829 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode()
830 __wait_on_freeing_inode(inode); in find_inode()
833 if (unlikely(inode->i_state & I_CREATING)) { in find_inode()
834 spin_unlock(&inode->i_lock); in find_inode()
837 __iget(inode); in find_inode()
838 spin_unlock(&inode->i_lock); in find_inode()
839 return inode; in find_inode()
848 static struct inode *find_inode_fast(struct super_block *sb, in find_inode_fast()
851 struct inode *inode = NULL; in find_inode_fast() local
854 hlist_for_each_entry(inode, head, i_hash) { in find_inode_fast()
855 if (inode->i_ino != ino) in find_inode_fast()
857 if (inode->i_sb != sb) in find_inode_fast()
859 spin_lock(&inode->i_lock); in find_inode_fast()
860 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode_fast()
861 __wait_on_freeing_inode(inode); in find_inode_fast()
864 if (unlikely(inode->i_state & I_CREATING)) { in find_inode_fast()
865 spin_unlock(&inode->i_lock); in find_inode_fast()
868 __iget(inode); in find_inode_fast()
869 spin_unlock(&inode->i_lock); in find_inode_fast()
870 return inode; in find_inode_fast()
927 struct inode *new_inode_pseudo(struct super_block *sb) in new_inode_pseudo()
929 struct inode *inode = alloc_inode(sb); in new_inode_pseudo() local
931 if (inode) { in new_inode_pseudo()
932 spin_lock(&inode->i_lock); in new_inode_pseudo()
933 inode->i_state = 0; in new_inode_pseudo()
934 spin_unlock(&inode->i_lock); in new_inode_pseudo()
935 INIT_LIST_HEAD(&inode->i_sb_list); in new_inode_pseudo()
937 return inode; in new_inode_pseudo()
952 struct inode *new_inode(struct super_block *sb) in new_inode()
954 struct inode *inode; in new_inode() local
958 inode = new_inode_pseudo(sb); in new_inode()
959 if (inode) in new_inode()
960 inode_sb_list_add(inode); in new_inode()
961 return inode; in new_inode()
966 void lockdep_annotate_inode_mutex_key(struct inode *inode) in lockdep_annotate_inode_mutex_key() argument
968 if (S_ISDIR(inode->i_mode)) { in lockdep_annotate_inode_mutex_key()
969 struct file_system_type *type = inode->i_sb->s_type; in lockdep_annotate_inode_mutex_key()
972 if (lockdep_match_class(&inode->i_rwsem, &type->i_mutex_key)) { in lockdep_annotate_inode_mutex_key()
977 init_rwsem(&inode->i_rwsem); in lockdep_annotate_inode_mutex_key()
978 lockdep_set_class(&inode->i_rwsem, in lockdep_annotate_inode_mutex_key()
993 void unlock_new_inode(struct inode *inode) in unlock_new_inode() argument
995 lockdep_annotate_inode_mutex_key(inode); in unlock_new_inode()
996 spin_lock(&inode->i_lock); in unlock_new_inode()
997 WARN_ON(!(inode->i_state & I_NEW)); in unlock_new_inode()
998 inode->i_state &= ~I_NEW & ~I_CREATING; in unlock_new_inode()
1000 wake_up_bit(&inode->i_state, __I_NEW); in unlock_new_inode()
1001 spin_unlock(&inode->i_lock); in unlock_new_inode()
1005 void discard_new_inode(struct inode *inode) in discard_new_inode() argument
1007 lockdep_annotate_inode_mutex_key(inode); in discard_new_inode()
1008 spin_lock(&inode->i_lock); in discard_new_inode()
1009 WARN_ON(!(inode->i_state & I_NEW)); in discard_new_inode()
1010 inode->i_state &= ~I_NEW; in discard_new_inode()
1012 wake_up_bit(&inode->i_state, __I_NEW); in discard_new_inode()
1013 spin_unlock(&inode->i_lock); in discard_new_inode()
1014 iput(inode); in discard_new_inode()
1027 void lock_two_nondirectories(struct inode *inode1, struct inode *inode2) in lock_two_nondirectories()
1044 void unlock_two_nondirectories(struct inode *inode1, struct inode *inode2) in unlock_two_nondirectories()
1073 struct inode *inode_insert5(struct inode *inode, unsigned long hashval, in inode_insert5() argument
1074 int (*test)(struct inode *, void *), in inode_insert5() argument
1075 int (*set)(struct inode *, void *), void *data) in inode_insert5() argument
1077 struct hlist_head *head = inode_hashtable + hash(inode->i_sb, hashval); in inode_insert5()
1078 struct inode *old; in inode_insert5()
1079 bool creating = inode->i_state & I_CREATING; in inode_insert5()
1083 old = find_inode(inode->i_sb, head, test, data); in inode_insert5()
1100 if (set && unlikely(set(inode, data))) { in inode_insert5()
1101 inode = NULL; in inode_insert5()
1109 spin_lock(&inode->i_lock); in inode_insert5()
1110 inode->i_state |= I_NEW; in inode_insert5()
1111 hlist_add_head_rcu(&inode->i_hash, head); in inode_insert5()
1112 spin_unlock(&inode->i_lock); in inode_insert5()
1114 inode_sb_list_add(inode); in inode_insert5()
1118 return inode; in inode_insert5()
1142 struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, in iget5_locked()
1143 int (*test)(struct inode *, void *), in iget5_locked() argument
1144 int (*set)(struct inode *, void *), void *data) in iget5_locked() argument
1146 struct inode *inode = ilookup5(sb, hashval, test, data); in iget5_locked() local
1148 if (!inode) { in iget5_locked()
1149 struct inode *new = alloc_inode(sb); in iget5_locked()
1153 inode = inode_insert5(new, hashval, test, set, data); in iget5_locked()
1154 if (unlikely(inode != new)) in iget5_locked()
1158 return inode; in iget5_locked()
1175 struct inode *iget_locked(struct super_block *sb, unsigned long ino) in iget_locked()
1178 struct inode *inode; in iget_locked() local
1181 inode = find_inode_fast(sb, head, ino); in iget_locked()
1183 if (inode) { in iget_locked()
1184 if (IS_ERR(inode)) in iget_locked()
1186 wait_on_inode(inode); in iget_locked()
1187 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1188 iput(inode); in iget_locked()
1191 return inode; in iget_locked()
1194 inode = alloc_inode(sb); in iget_locked()
1195 if (inode) { in iget_locked()
1196 struct inode *old; in iget_locked()
1202 inode->i_ino = ino; in iget_locked()
1203 spin_lock(&inode->i_lock); in iget_locked()
1204 inode->i_state = I_NEW; in iget_locked()
1205 hlist_add_head_rcu(&inode->i_hash, head); in iget_locked()
1206 spin_unlock(&inode->i_lock); in iget_locked()
1207 inode_sb_list_add(inode); in iget_locked()
1213 return inode; in iget_locked()
1222 destroy_inode(inode); in iget_locked()
1225 inode = old; in iget_locked()
1226 wait_on_inode(inode); in iget_locked()
1227 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1228 iput(inode); in iget_locked()
1232 return inode; in iget_locked()
1246 struct inode *inode; in test_inode_iunique() local
1248 hlist_for_each_entry_rcu(inode, b, i_hash) { in test_inode_iunique()
1249 if (inode->i_ino == ino && inode->i_sb == sb) in test_inode_iunique()
1294 struct inode *igrab(struct inode *inode) in igrab() argument
1296 spin_lock(&inode->i_lock); in igrab()
1297 if (!(inode->i_state & (I_FREEING|I_WILL_FREE))) { in igrab()
1298 __iget(inode); in igrab()
1299 spin_unlock(&inode->i_lock); in igrab()
1301 spin_unlock(&inode->i_lock); in igrab()
1307 inode = NULL; in igrab()
1309 return inode; in igrab()
1329 struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval, in ilookup5_nowait()
1330 int (*test)(struct inode *, void *), void *data) in ilookup5_nowait() argument
1333 struct inode *inode; in ilookup5_nowait() local
1336 inode = find_inode(sb, head, test, data); in ilookup5_nowait()
1339 return IS_ERR(inode) ? NULL : inode; in ilookup5_nowait()
1360 struct inode *ilookup5(struct super_block *sb, unsigned long hashval, in ilookup5()
1361 int (*test)(struct inode *, void *), void *data) in ilookup5() argument
1363 struct inode *inode; in ilookup5() local
1365 inode = ilookup5_nowait(sb, hashval, test, data); in ilookup5()
1366 if (inode) { in ilookup5()
1367 wait_on_inode(inode); in ilookup5()
1368 if (unlikely(inode_unhashed(inode))) { in ilookup5()
1369 iput(inode); in ilookup5()
1373 return inode; in ilookup5()
1385 struct inode *ilookup(struct super_block *sb, unsigned long ino) in ilookup()
1388 struct inode *inode; in ilookup() local
1391 inode = find_inode_fast(sb, head, ino); in ilookup()
1394 if (inode) { in ilookup()
1395 if (IS_ERR(inode)) in ilookup()
1397 wait_on_inode(inode); in ilookup()
1398 if (unlikely(inode_unhashed(inode))) { in ilookup()
1399 iput(inode); in ilookup()
1403 return inode; in ilookup()
1430 struct inode *find_inode_nowait(struct super_block *sb, in find_inode_nowait()
1432 int (*match)(struct inode *, unsigned long, in find_inode_nowait() argument
1437 struct inode *inode, *ret_inode = NULL; in find_inode_nowait() local
1441 hlist_for_each_entry(inode, head, i_hash) { in find_inode_nowait()
1442 if (inode->i_sb != sb) in find_inode_nowait()
1444 mval = match(inode, hashval, data); in find_inode_nowait()
1448 ret_inode = inode; in find_inode_nowait()
1478 struct inode *find_inode_rcu(struct super_block *sb, unsigned long hashval, in find_inode_rcu()
1479 int (*test)(struct inode *, void *), void *data) in find_inode_rcu() argument
1482 struct inode *inode; in find_inode_rcu() local
1487 hlist_for_each_entry_rcu(inode, head, i_hash) { in find_inode_rcu()
1488 if (inode->i_sb == sb && in find_inode_rcu()
1489 !(READ_ONCE(inode->i_state) & (I_FREEING | I_WILL_FREE)) && in find_inode_rcu()
1490 test(inode, data)) in find_inode_rcu()
1491 return inode; in find_inode_rcu()
1516 struct inode *find_inode_by_ino_rcu(struct super_block *sb, in find_inode_by_ino_rcu()
1520 struct inode *inode; in find_inode_by_ino_rcu() local
1525 hlist_for_each_entry_rcu(inode, head, i_hash) { in find_inode_by_ino_rcu()
1526 if (inode->i_ino == ino && in find_inode_by_ino_rcu()
1527 inode->i_sb == sb && in find_inode_by_ino_rcu()
1528 !(READ_ONCE(inode->i_state) & (I_FREEING | I_WILL_FREE))) in find_inode_by_ino_rcu()
1529 return inode; in find_inode_by_ino_rcu()
1535 int insert_inode_locked(struct inode *inode) in insert_inode_locked() argument
1537 struct super_block *sb = inode->i_sb; in insert_inode_locked()
1538 ino_t ino = inode->i_ino; in insert_inode_locked()
1542 struct inode *old = NULL; in insert_inode_locked()
1557 spin_lock(&inode->i_lock); in insert_inode_locked()
1558 inode->i_state |= I_NEW | I_CREATING; in insert_inode_locked()
1559 hlist_add_head_rcu(&inode->i_hash, head); in insert_inode_locked()
1560 spin_unlock(&inode->i_lock); in insert_inode_locked()
1582 int insert_inode_locked4(struct inode *inode, unsigned long hashval, in insert_inode_locked4() argument
1583 int (*test)(struct inode *, void *), void *data) in insert_inode_locked4() argument
1585 struct inode *old; in insert_inode_locked4()
1587 inode->i_state |= I_CREATING; in insert_inode_locked4()
1588 old = inode_insert5(inode, hashval, test, NULL, data); in insert_inode_locked4()
1590 if (old != inode) { in insert_inode_locked4()
1599 int generic_delete_inode(struct inode *inode) in generic_delete_inode() argument
1615 static void iput_final(struct inode *inode) in iput_final() argument
1617 struct super_block *sb = inode->i_sb; in iput_final()
1618 const struct super_operations *op = inode->i_sb->s_op; in iput_final()
1622 WARN_ON(inode->i_state & I_NEW); in iput_final()
1625 drop = op->drop_inode(inode); in iput_final()
1627 drop = generic_drop_inode(inode); in iput_final()
1630 !(inode->i_state & I_DONTCACHE) && in iput_final()
1632 inode_add_lru(inode); in iput_final()
1633 spin_unlock(&inode->i_lock); in iput_final()
1637 state = inode->i_state; in iput_final()
1639 WRITE_ONCE(inode->i_state, state | I_WILL_FREE); in iput_final()
1640 spin_unlock(&inode->i_lock); in iput_final()
1642 write_inode_now(inode, 1); in iput_final()
1644 spin_lock(&inode->i_lock); in iput_final()
1645 state = inode->i_state; in iput_final()
1650 WRITE_ONCE(inode->i_state, state | I_FREEING); in iput_final()
1651 if (!list_empty(&inode->i_lru)) in iput_final()
1652 inode_lru_list_del(inode); in iput_final()
1653 spin_unlock(&inode->i_lock); in iput_final()
1655 evict(inode); in iput_final()
1667 void iput(struct inode *inode) in iput() argument
1669 if (!inode) in iput()
1671 BUG_ON(inode->i_state & I_CLEAR); in iput()
1673 if (atomic_dec_and_lock(&inode->i_count, &inode->i_lock)) { in iput()
1674 if (inode->i_nlink && (inode->i_state & I_DIRTY_TIME)) { in iput()
1675 atomic_inc(&inode->i_count); in iput()
1676 spin_unlock(&inode->i_lock); in iput()
1677 trace_writeback_lazytime_iput(inode); in iput()
1678 mark_inode_dirty_sync(inode); in iput()
1681 iput_final(inode); in iput()
1701 int bmap(struct inode *inode, sector_t *block) in bmap() argument
1703 if (!inode->i_mapping->a_ops->bmap) in bmap()
1706 *block = inode->i_mapping->a_ops->bmap(inode->i_mapping, *block); in bmap()
1717 static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, in relatime_need_update() argument
1726 if (timespec64_compare(&inode->i_mtime, &inode->i_atime) >= 0) in relatime_need_update()
1731 if (timespec64_compare(&inode->i_ctime, &inode->i_atime) >= 0) in relatime_need_update()
1738 if ((long)(now.tv_sec - inode->i_atime.tv_sec) >= 24*60*60) in relatime_need_update()
1746 int generic_update_time(struct inode *inode, struct timespec64 *time, int flags) in generic_update_time() argument
1752 inode->i_atime = *time; in generic_update_time()
1754 dirty = inode_maybe_inc_iversion(inode, false); in generic_update_time()
1756 inode->i_ctime = *time; in generic_update_time()
1758 inode->i_mtime = *time; in generic_update_time()
1760 !(inode->i_sb->s_flags & SB_LAZYTIME)) in generic_update_time()
1765 __mark_inode_dirty(inode, iflags); in generic_update_time()
1774 int inode_update_time(struct inode *inode, struct timespec64 *time, int flags) in inode_update_time() argument
1776 if (inode->i_op->update_time) in inode_update_time()
1777 return inode->i_op->update_time(inode, time, flags); in inode_update_time()
1778 return generic_update_time(inode, time, flags); in inode_update_time()
1791 bool atime_needs_update(const struct path *path, struct inode *inode) in atime_needs_update() argument
1796 if (inode->i_flags & S_NOATIME) in atime_needs_update()
1802 if (HAS_UNMAPPED_ID(inode)) in atime_needs_update()
1805 if (IS_NOATIME(inode)) in atime_needs_update()
1807 if ((inode->i_sb->s_flags & SB_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1812 if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1815 now = current_time(inode); in atime_needs_update()
1817 if (!relatime_need_update(mnt, inode, now)) in atime_needs_update()
1820 if (timespec64_equal(&inode->i_atime, &now)) in atime_needs_update()
1829 struct inode *inode = d_inode(path->dentry); in touch_atime() local
1832 if (!atime_needs_update(path, inode)) in touch_atime()
1835 if (!sb_start_write_trylock(inode->i_sb)) in touch_atime()
1849 now = current_time(inode); in touch_atime()
1850 inode_update_time(inode, &now, S_ATIME); in touch_atime()
1853 sb_end_write(inode->i_sb); in touch_atime()
1893 struct inode *inode = d_inode(dentry); in dentry_needs_remove_privs() local
1897 if (IS_NOSEC(inode)) in dentry_needs_remove_privs()
1928 struct inode *inode = file_inode(file); in file_remove_privs() local
1938 if (IS_NOSEC(inode) || !S_ISREG(inode->i_mode)) in file_remove_privs()
1947 inode_has_no_xattr(inode); in file_remove_privs()
1968 struct inode *inode = file_inode(file); in file_update_time() local
1974 if (IS_NOCMTIME(inode)) in file_update_time()
1977 now = current_time(inode); in file_update_time()
1978 if (!timespec64_equal(&inode->i_mtime, &now)) in file_update_time()
1981 if (!timespec64_equal(&inode->i_ctime, &now)) in file_update_time()
1984 if (IS_I_VERSION(inode) && inode_iversion_need_inc(inode)) in file_update_time()
1994 ret = inode_update_time(inode, &now, sync_it); in file_update_time()
2021 int inode_needs_sync(struct inode *inode) in inode_needs_sync() argument
2023 if (IS_SYNC(inode)) in inode_needs_sync()
2025 if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) in inode_needs_sync()
2042 static void __wait_on_freeing_inode(struct inode *inode) in __wait_on_freeing_inode() argument
2045 DEFINE_WAIT_BIT(wait, &inode->i_state, __I_NEW); in __wait_on_freeing_inode()
2046 wq = bit_waitqueue(&inode->i_state, __I_NEW); in __wait_on_freeing_inode()
2048 spin_unlock(&inode->i_lock); in __wait_on_freeing_inode()
2092 sizeof(struct inode), in inode_init()
2114 void init_special_inode(struct inode *inode, umode_t mode, dev_t rdev) in init_special_inode() argument
2116 inode->i_mode = mode; in init_special_inode()
2118 inode->i_fop = &def_chr_fops; in init_special_inode()
2119 inode->i_rdev = rdev; in init_special_inode()
2121 inode->i_fop = &def_blk_fops; in init_special_inode()
2122 inode->i_rdev = rdev; in init_special_inode()
2124 inode->i_fop = &pipefifo_fops; in init_special_inode()
2129 " inode %s:%lu\n", mode, inode->i_sb->s_id, in init_special_inode()
2130 inode->i_ino); in init_special_inode()
2140 void inode_init_owner(struct inode *inode, const struct inode *dir, in inode_init_owner() argument
2143 inode->i_uid = current_fsuid(); in inode_init_owner()
2145 inode->i_gid = dir->i_gid; in inode_init_owner()
2151 !in_group_p(inode->i_gid) && in inode_init_owner()
2155 inode->i_gid = current_fsgid(); in inode_init_owner()
2156 inode->i_mode = mode; in inode_init_owner()
2167 bool inode_owner_or_capable(const struct inode *inode) in inode_owner_or_capable() argument
2171 if (uid_eq(current_fsuid(), inode->i_uid)) in inode_owner_or_capable()
2175 if (kuid_has_mapping(ns, inode->i_uid) && ns_capable(ns, CAP_FOWNER)) in inode_owner_or_capable()
2184 static void __inode_dio_wait(struct inode *inode) in __inode_dio_wait() argument
2186 wait_queue_head_t *wq = bit_waitqueue(&inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2187 DEFINE_WAIT_BIT(q, &inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2191 if (atomic_read(&inode->i_dio_count)) in __inode_dio_wait()
2193 } while (atomic_read(&inode->i_dio_count)); in __inode_dio_wait()
2207 void inode_dio_wait(struct inode *inode) in inode_dio_wait() argument
2209 if (atomic_read(&inode->i_dio_count)) in inode_dio_wait()
2210 __inode_dio_wait(inode); in inode_dio_wait()
2230 void inode_set_flags(struct inode *inode, unsigned int flags, in inode_set_flags() argument
2234 set_mask_bits(&inode->i_flags, mask, flags); in inode_set_flags()
2238 void inode_nohighmem(struct inode *inode) in inode_nohighmem() argument
2240 mapping_set_gfp_mask(inode->i_mapping, GFP_USER); in inode_nohighmem()
2253 struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode) in timestamp_truncate() argument
2255 struct super_block *sb = inode->i_sb; in timestamp_truncate()
2285 struct timespec64 current_time(struct inode *inode) in current_time() argument
2291 if (unlikely(!inode->i_sb)) { in current_time()
2296 return timestamp_truncate(now, inode); in current_time()
2307 int vfs_ioc_setflags_prepare(struct inode *inode, unsigned int oldflags, in vfs_ioc_setflags_prepare() argument
2320 return fscrypt_prepare_setflags(inode, oldflags, flags); in vfs_ioc_setflags_prepare()
2331 int vfs_ioc_fssetxattr_check(struct inode *inode, const struct fsxattr *old_fa, in vfs_ioc_fssetxattr_check() argument
2357 if ((fa->fsx_xflags & FS_XFLAG_EXTSIZE) && !S_ISREG(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2361 !S_ISDIR(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2365 !S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2373 !(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) in vfs_ioc_fssetxattr_check()