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 if (security_inode_alloc(inode)) in inode_init_always()
173 spin_lock_init(&inode->i_lock); in inode_init_always()
174 lockdep_set_class(&inode->i_lock, &sb->s_type->i_lock_key); in inode_init_always()
176 init_rwsem(&inode->i_rwsem); in inode_init_always()
177 lockdep_set_class(&inode->i_rwsem, &sb->s_type->i_mutex_key); in inode_init_always()
179 atomic_set(&inode->i_dio_count, 0); in inode_init_always()
182 mapping->host = inode; in inode_init_always()
194 inode->i_private = NULL; in inode_init_always()
195 inode->i_mapping = mapping; in inode_init_always()
196 INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ in inode_init_always()
198 inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; in inode_init_always()
202 inode->i_fsnotify_mask = 0; in inode_init_always()
204 inode->i_flctx = NULL; in inode_init_always()
213 void free_inode_nonrcu(struct inode *inode) in free_inode_nonrcu() argument
215 kmem_cache_free(inode_cachep, inode); in free_inode_nonrcu()
221 struct inode *inode = container_of(head, struct inode, i_rcu); in i_callback() local
222 if (inode->free_inode) in i_callback()
223 inode->free_inode(inode); in i_callback()
225 free_inode_nonrcu(inode); in i_callback()
228 static struct inode *alloc_inode(struct super_block *sb) in alloc_inode()
231 struct inode *inode; in alloc_inode() local
234 inode = ops->alloc_inode(sb); in alloc_inode()
236 inode = kmem_cache_alloc(inode_cachep, GFP_KERNEL); in alloc_inode()
238 if (!inode) in alloc_inode()
241 if (unlikely(inode_init_always(sb, inode))) { in alloc_inode()
243 ops->destroy_inode(inode); in alloc_inode()
247 inode->free_inode = ops->free_inode; in alloc_inode()
248 i_callback(&inode->i_rcu); in alloc_inode()
252 return inode; in alloc_inode()
255 void __destroy_inode(struct inode *inode) in __destroy_inode() argument
257 BUG_ON(inode_has_buffers(inode)); in __destroy_inode()
258 inode_detach_wb(inode); in __destroy_inode()
259 security_inode_free(inode); in __destroy_inode()
260 fsnotify_inode_delete(inode); in __destroy_inode()
261 locks_free_lock_context(inode); in __destroy_inode()
262 if (!inode->i_nlink) { in __destroy_inode()
263 WARN_ON(atomic_long_read(&inode->i_sb->s_remove_count) == 0); in __destroy_inode()
264 atomic_long_dec(&inode->i_sb->s_remove_count); in __destroy_inode()
268 if (inode->i_acl && !is_uncached_acl(inode->i_acl)) in __destroy_inode()
269 posix_acl_release(inode->i_acl); in __destroy_inode()
270 if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl)) in __destroy_inode()
271 posix_acl_release(inode->i_default_acl); in __destroy_inode()
277 static void destroy_inode(struct inode *inode) in destroy_inode() argument
279 const struct super_operations *ops = inode->i_sb->s_op; in destroy_inode()
281 BUG_ON(!list_empty(&inode->i_lru)); in destroy_inode()
282 __destroy_inode(inode); in destroy_inode()
284 ops->destroy_inode(inode); in destroy_inode()
288 inode->free_inode = ops->free_inode; in destroy_inode()
289 call_rcu(&inode->i_rcu, i_callback); in destroy_inode()
303 void drop_nlink(struct inode *inode) in drop_nlink() argument
305 WARN_ON(inode->i_nlink == 0); in drop_nlink()
306 inode->__i_nlink--; in drop_nlink()
307 if (!inode->i_nlink) in drop_nlink()
308 atomic_long_inc(&inode->i_sb->s_remove_count); in drop_nlink()
320 void clear_nlink(struct inode *inode) in clear_nlink() argument
322 if (inode->i_nlink) { in clear_nlink()
323 inode->__i_nlink = 0; in clear_nlink()
324 atomic_long_inc(&inode->i_sb->s_remove_count); in clear_nlink()
337 void set_nlink(struct inode *inode, unsigned int nlink) in set_nlink() argument
340 clear_nlink(inode); in set_nlink()
343 if (inode->i_nlink == 0) in set_nlink()
344 atomic_long_dec(&inode->i_sb->s_remove_count); in set_nlink()
346 inode->__i_nlink = nlink; in set_nlink()
359 void inc_nlink(struct inode *inode) in inc_nlink() argument
361 if (unlikely(inode->i_nlink == 0)) { in inc_nlink()
362 WARN_ON(!(inode->i_state & I_LINKABLE)); in inc_nlink()
363 atomic_long_dec(&inode->i_sb->s_remove_count); in inc_nlink()
366 inode->__i_nlink++; in inc_nlink()
391 void inode_init_once(struct inode *inode) in inode_init_once() argument
393 memset(inode, 0, sizeof(*inode)); in inode_init_once()
394 INIT_HLIST_NODE(&inode->i_hash); in inode_init_once()
395 INIT_LIST_HEAD(&inode->i_devices); in inode_init_once()
396 INIT_LIST_HEAD(&inode->i_io_list); in inode_init_once()
397 INIT_LIST_HEAD(&inode->i_wb_list); in inode_init_once()
398 INIT_LIST_HEAD(&inode->i_lru); in inode_init_once()
399 __address_space_init_once(&inode->i_data); in inode_init_once()
400 i_size_ordered_init(inode); in inode_init_once()
406 struct inode *inode = (struct inode *) foo; in init_once() local
408 inode_init_once(inode); in init_once()
414 void __iget(struct inode *inode) in __iget() argument
416 atomic_inc(&inode->i_count); in __iget()
422 void ihold(struct inode *inode) in ihold() argument
424 WARN_ON(atomic_inc_return(&inode->i_count) < 2); in ihold()
428 static void inode_lru_list_add(struct inode *inode) in inode_lru_list_add() argument
430 if (list_lru_add(&inode->i_sb->s_inode_lru, &inode->i_lru)) in inode_lru_list_add()
433 inode->i_state |= I_REFERENCED; in inode_lru_list_add()
441 void inode_add_lru(struct inode *inode) in inode_add_lru() argument
443 if (!(inode->i_state & (I_DIRTY_ALL | I_SYNC | in inode_add_lru()
445 !atomic_read(&inode->i_count) && inode->i_sb->s_flags & SB_ACTIVE) in inode_add_lru()
446 inode_lru_list_add(inode); in inode_add_lru()
450 static void inode_lru_list_del(struct inode *inode) in inode_lru_list_del() argument
453 if (list_lru_del(&inode->i_sb->s_inode_lru, &inode->i_lru)) in inode_lru_list_del()
461 void inode_sb_list_add(struct inode *inode) in inode_sb_list_add() argument
463 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
464 list_add(&inode->i_sb_list, &inode->i_sb->s_inodes); in inode_sb_list_add()
465 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_add()
469 static inline void inode_sb_list_del(struct inode *inode) in inode_sb_list_del() argument
471 if (!list_empty(&inode->i_sb_list)) { in inode_sb_list_del()
472 spin_lock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
473 list_del_init(&inode->i_sb_list); in inode_sb_list_del()
474 spin_unlock(&inode->i_sb->s_inode_list_lock); in inode_sb_list_del()
496 void __insert_inode_hash(struct inode *inode, unsigned long hashval) in __insert_inode_hash() argument
498 struct hlist_head *b = inode_hashtable + hash(inode->i_sb, hashval); in __insert_inode_hash()
501 spin_lock(&inode->i_lock); in __insert_inode_hash()
502 hlist_add_head_rcu(&inode->i_hash, b); in __insert_inode_hash()
503 spin_unlock(&inode->i_lock); in __insert_inode_hash()
514 void __remove_inode_hash(struct inode *inode) in __remove_inode_hash() argument
517 spin_lock(&inode->i_lock); in __remove_inode_hash()
518 hlist_del_init_rcu(&inode->i_hash); in __remove_inode_hash()
519 spin_unlock(&inode->i_lock); in __remove_inode_hash()
524 void clear_inode(struct inode *inode) in clear_inode() argument
531 xa_lock_irq(&inode->i_data.i_pages); in clear_inode()
532 BUG_ON(inode->i_data.nrpages); in clear_inode()
533 BUG_ON(inode->i_data.nrexceptional); in clear_inode()
534 xa_unlock_irq(&inode->i_data.i_pages); in clear_inode()
535 BUG_ON(!list_empty(&inode->i_data.private_list)); in clear_inode()
536 BUG_ON(!(inode->i_state & I_FREEING)); in clear_inode()
537 BUG_ON(inode->i_state & I_CLEAR); in clear_inode()
538 BUG_ON(!list_empty(&inode->i_wb_list)); in clear_inode()
540 inode->i_state = I_FREEING | I_CLEAR; in clear_inode()
557 static void evict(struct inode *inode) in evict() argument
559 const struct super_operations *op = inode->i_sb->s_op; in evict()
561 BUG_ON(!(inode->i_state & I_FREEING)); in evict()
562 BUG_ON(!list_empty(&inode->i_lru)); in evict()
564 if (!list_empty(&inode->i_io_list)) in evict()
565 inode_io_list_del(inode); in evict()
567 inode_sb_list_del(inode); in evict()
575 inode_wait_for_writeback(inode); in evict()
578 op->evict_inode(inode); in evict()
580 truncate_inode_pages_final(&inode->i_data); in evict()
581 clear_inode(inode); in evict()
583 if (S_ISBLK(inode->i_mode) && inode->i_bdev) in evict()
584 bd_forget(inode); in evict()
585 if (S_ISCHR(inode->i_mode) && inode->i_cdev) in evict()
586 cd_forget(inode); in evict()
588 remove_inode_hash(inode); in evict()
590 spin_lock(&inode->i_lock); in evict()
591 wake_up_bit(&inode->i_state, __I_NEW); in evict()
592 BUG_ON(inode->i_state != (I_FREEING | I_CLEAR)); in evict()
593 spin_unlock(&inode->i_lock); in evict()
595 destroy_inode(inode); in evict()
608 struct inode *inode; in dispose_list() local
610 inode = list_first_entry(head, struct inode, i_lru); in dispose_list()
611 list_del_init(&inode->i_lru); in dispose_list()
613 evict(inode); in dispose_list()
629 struct inode *inode, *next; in evict_inodes() local
634 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in evict_inodes()
635 if (atomic_read(&inode->i_count)) in evict_inodes()
638 spin_lock(&inode->i_lock); in evict_inodes()
639 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in evict_inodes()
640 spin_unlock(&inode->i_lock); in evict_inodes()
644 inode->i_state |= I_FREEING; in evict_inodes()
645 inode_lru_list_del(inode); in evict_inodes()
646 spin_unlock(&inode->i_lock); in evict_inodes()
647 list_add(&inode->i_lru, &dispose); in evict_inodes()
680 struct inode *inode, *next; in invalidate_inodes() local
685 list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { in invalidate_inodes()
686 spin_lock(&inode->i_lock); in invalidate_inodes()
687 if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { in invalidate_inodes()
688 spin_unlock(&inode->i_lock); in invalidate_inodes()
691 if (inode->i_state & I_DIRTY_ALL && !kill_dirty) { in invalidate_inodes()
692 spin_unlock(&inode->i_lock); in invalidate_inodes()
696 if (atomic_read(&inode->i_count)) { in invalidate_inodes()
697 spin_unlock(&inode->i_lock); in invalidate_inodes()
702 inode->i_state |= I_FREEING; in invalidate_inodes()
703 inode_lru_list_del(inode); in invalidate_inodes()
704 spin_unlock(&inode->i_lock); in invalidate_inodes()
705 list_add(&inode->i_lru, &dispose); in invalidate_inodes()
739 struct inode *inode = container_of(item, struct inode, i_lru); in inode_lru_isolate() local
745 if (!spin_trylock(&inode->i_lock)) in inode_lru_isolate()
752 if (atomic_read(&inode->i_count) || in inode_lru_isolate()
753 (inode->i_state & ~I_REFERENCED)) { in inode_lru_isolate()
754 list_lru_isolate(lru, &inode->i_lru); in inode_lru_isolate()
755 spin_unlock(&inode->i_lock); in inode_lru_isolate()
761 if (inode->i_state & I_REFERENCED) { in inode_lru_isolate()
762 inode->i_state &= ~I_REFERENCED; in inode_lru_isolate()
763 spin_unlock(&inode->i_lock); in inode_lru_isolate()
767 if (inode_has_buffers(inode) || inode->i_data.nrpages) { in inode_lru_isolate()
768 __iget(inode); in inode_lru_isolate()
769 spin_unlock(&inode->i_lock); in inode_lru_isolate()
771 if (remove_inode_buffers(inode)) { in inode_lru_isolate()
773 reap = invalidate_mapping_pages(&inode->i_data, 0, -1); in inode_lru_isolate()
781 iput(inode); in inode_lru_isolate()
786 WARN_ON(inode->i_state & I_NEW); in inode_lru_isolate()
787 inode->i_state |= I_FREEING; in inode_lru_isolate()
788 list_lru_isolate_move(lru, &inode->i_lru, freeable); in inode_lru_isolate()
789 spin_unlock(&inode->i_lock); in inode_lru_isolate()
812 static void __wait_on_freeing_inode(struct inode *inode);
816 static struct inode *find_inode(struct super_block *sb, in find_inode()
818 int (*test)(struct inode *, void *), in find_inode() argument
821 struct inode *inode = NULL; in find_inode() local
824 hlist_for_each_entry(inode, head, i_hash) { in find_inode()
825 if (inode->i_sb != sb) in find_inode()
827 if (!test(inode, data)) in find_inode()
829 spin_lock(&inode->i_lock); in find_inode()
830 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode()
831 __wait_on_freeing_inode(inode); in find_inode()
834 if (unlikely(inode->i_state & I_CREATING)) { in find_inode()
835 spin_unlock(&inode->i_lock); in find_inode()
838 __iget(inode); in find_inode()
839 spin_unlock(&inode->i_lock); in find_inode()
840 return inode; in find_inode()
849 static struct inode *find_inode_fast(struct super_block *sb, in find_inode_fast()
852 struct inode *inode = NULL; in find_inode_fast() local
855 hlist_for_each_entry(inode, head, i_hash) { in find_inode_fast()
856 if (inode->i_ino != ino) in find_inode_fast()
858 if (inode->i_sb != sb) in find_inode_fast()
860 spin_lock(&inode->i_lock); in find_inode_fast()
861 if (inode->i_state & (I_FREEING|I_WILL_FREE)) { in find_inode_fast()
862 __wait_on_freeing_inode(inode); in find_inode_fast()
865 if (unlikely(inode->i_state & I_CREATING)) { in find_inode_fast()
866 spin_unlock(&inode->i_lock); in find_inode_fast()
869 __iget(inode); in find_inode_fast()
870 spin_unlock(&inode->i_lock); in find_inode_fast()
871 return inode; in find_inode_fast()
928 struct inode *new_inode_pseudo(struct super_block *sb) in new_inode_pseudo()
930 struct inode *inode = alloc_inode(sb); in new_inode_pseudo() local
932 if (inode) { in new_inode_pseudo()
933 spin_lock(&inode->i_lock); in new_inode_pseudo()
934 inode->i_state = 0; in new_inode_pseudo()
935 spin_unlock(&inode->i_lock); in new_inode_pseudo()
936 INIT_LIST_HEAD(&inode->i_sb_list); in new_inode_pseudo()
938 return inode; in new_inode_pseudo()
953 struct inode *new_inode(struct super_block *sb) in new_inode()
955 struct inode *inode; in new_inode() local
959 inode = new_inode_pseudo(sb); in new_inode()
960 if (inode) in new_inode()
961 inode_sb_list_add(inode); in new_inode()
962 return inode; in new_inode()
967 void lockdep_annotate_inode_mutex_key(struct inode *inode) in lockdep_annotate_inode_mutex_key() argument
969 if (S_ISDIR(inode->i_mode)) { in lockdep_annotate_inode_mutex_key()
970 struct file_system_type *type = inode->i_sb->s_type; in lockdep_annotate_inode_mutex_key()
973 if (lockdep_match_class(&inode->i_rwsem, &type->i_mutex_key)) { in lockdep_annotate_inode_mutex_key()
978 init_rwsem(&inode->i_rwsem); in lockdep_annotate_inode_mutex_key()
979 lockdep_set_class(&inode->i_rwsem, in lockdep_annotate_inode_mutex_key()
994 void unlock_new_inode(struct inode *inode) in unlock_new_inode() argument
996 lockdep_annotate_inode_mutex_key(inode); in unlock_new_inode()
997 spin_lock(&inode->i_lock); in unlock_new_inode()
998 WARN_ON(!(inode->i_state & I_NEW)); in unlock_new_inode()
999 inode->i_state &= ~I_NEW & ~I_CREATING; in unlock_new_inode()
1001 wake_up_bit(&inode->i_state, __I_NEW); in unlock_new_inode()
1002 spin_unlock(&inode->i_lock); in unlock_new_inode()
1006 void discard_new_inode(struct inode *inode) in discard_new_inode() argument
1008 lockdep_annotate_inode_mutex_key(inode); in discard_new_inode()
1009 spin_lock(&inode->i_lock); in discard_new_inode()
1010 WARN_ON(!(inode->i_state & I_NEW)); in discard_new_inode()
1011 inode->i_state &= ~I_NEW; in discard_new_inode()
1013 wake_up_bit(&inode->i_state, __I_NEW); in discard_new_inode()
1014 spin_unlock(&inode->i_lock); in discard_new_inode()
1015 iput(inode); in discard_new_inode()
1028 void lock_two_nondirectories(struct inode *inode1, struct inode *inode2) in lock_two_nondirectories()
1045 void unlock_two_nondirectories(struct inode *inode1, struct inode *inode2) in unlock_two_nondirectories()
1074 struct inode *inode_insert5(struct inode *inode, unsigned long hashval, in inode_insert5() argument
1075 int (*test)(struct inode *, void *), in inode_insert5() argument
1076 int (*set)(struct inode *, void *), void *data) in inode_insert5() argument
1078 struct hlist_head *head = inode_hashtable + hash(inode->i_sb, hashval); in inode_insert5()
1079 struct inode *old; in inode_insert5()
1080 bool creating = inode->i_state & I_CREATING; in inode_insert5()
1084 old = find_inode(inode->i_sb, head, test, data); in inode_insert5()
1101 if (set && unlikely(set(inode, data))) { in inode_insert5()
1102 inode = NULL; in inode_insert5()
1110 spin_lock(&inode->i_lock); in inode_insert5()
1111 inode->i_state |= I_NEW; in inode_insert5()
1112 hlist_add_head_rcu(&inode->i_hash, head); in inode_insert5()
1113 spin_unlock(&inode->i_lock); in inode_insert5()
1115 inode_sb_list_add(inode); in inode_insert5()
1119 return inode; in inode_insert5()
1143 struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, in iget5_locked()
1144 int (*test)(struct inode *, void *), in iget5_locked() argument
1145 int (*set)(struct inode *, void *), void *data) in iget5_locked() argument
1147 struct inode *inode = ilookup5(sb, hashval, test, data); in iget5_locked() local
1149 if (!inode) { in iget5_locked()
1150 struct inode *new = alloc_inode(sb); in iget5_locked()
1154 inode = inode_insert5(new, hashval, test, set, data); in iget5_locked()
1155 if (unlikely(inode != new)) in iget5_locked()
1159 return inode; in iget5_locked()
1176 struct inode *iget_locked(struct super_block *sb, unsigned long ino) in iget_locked()
1179 struct inode *inode; in iget_locked() local
1182 inode = find_inode_fast(sb, head, ino); in iget_locked()
1184 if (inode) { in iget_locked()
1185 if (IS_ERR(inode)) in iget_locked()
1187 wait_on_inode(inode); in iget_locked()
1188 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1189 iput(inode); in iget_locked()
1192 return inode; in iget_locked()
1195 inode = alloc_inode(sb); in iget_locked()
1196 if (inode) { in iget_locked()
1197 struct inode *old; in iget_locked()
1203 inode->i_ino = ino; in iget_locked()
1204 spin_lock(&inode->i_lock); in iget_locked()
1205 inode->i_state = I_NEW; in iget_locked()
1206 hlist_add_head_rcu(&inode->i_hash, head); in iget_locked()
1207 spin_unlock(&inode->i_lock); in iget_locked()
1208 inode_sb_list_add(inode); in iget_locked()
1214 return inode; in iget_locked()
1223 destroy_inode(inode); in iget_locked()
1226 inode = old; in iget_locked()
1227 wait_on_inode(inode); in iget_locked()
1228 if (unlikely(inode_unhashed(inode))) { in iget_locked()
1229 iput(inode); in iget_locked()
1233 return inode; in iget_locked()
1247 struct inode *inode; in test_inode_iunique() local
1249 hlist_for_each_entry_rcu(inode, b, i_hash) { in test_inode_iunique()
1250 if (inode->i_ino == ino && inode->i_sb == sb) in test_inode_iunique()
1295 struct inode *igrab(struct inode *inode) in igrab() argument
1297 spin_lock(&inode->i_lock); in igrab()
1298 if (!(inode->i_state & (I_FREEING|I_WILL_FREE))) { in igrab()
1299 __iget(inode); in igrab()
1300 spin_unlock(&inode->i_lock); in igrab()
1302 spin_unlock(&inode->i_lock); in igrab()
1308 inode = NULL; in igrab()
1310 return inode; in igrab()
1330 struct inode *ilookup5_nowait(struct super_block *sb, unsigned long hashval, in ilookup5_nowait()
1331 int (*test)(struct inode *, void *), void *data) in ilookup5_nowait() argument
1334 struct inode *inode; in ilookup5_nowait() local
1337 inode = find_inode(sb, head, test, data); in ilookup5_nowait()
1340 return IS_ERR(inode) ? NULL : inode; in ilookup5_nowait()
1361 struct inode *ilookup5(struct super_block *sb, unsigned long hashval, in ilookup5()
1362 int (*test)(struct inode *, void *), void *data) in ilookup5() argument
1364 struct inode *inode; in ilookup5() local
1366 inode = ilookup5_nowait(sb, hashval, test, data); in ilookup5()
1367 if (inode) { in ilookup5()
1368 wait_on_inode(inode); in ilookup5()
1369 if (unlikely(inode_unhashed(inode))) { in ilookup5()
1370 iput(inode); in ilookup5()
1374 return inode; in ilookup5()
1386 struct inode *ilookup(struct super_block *sb, unsigned long ino) in ilookup()
1389 struct inode *inode; in ilookup() local
1392 inode = find_inode_fast(sb, head, ino); in ilookup()
1395 if (inode) { in ilookup()
1396 if (IS_ERR(inode)) in ilookup()
1398 wait_on_inode(inode); in ilookup()
1399 if (unlikely(inode_unhashed(inode))) { in ilookup()
1400 iput(inode); in ilookup()
1404 return inode; in ilookup()
1431 struct inode *find_inode_nowait(struct super_block *sb, in find_inode_nowait()
1433 int (*match)(struct inode *, unsigned long, in find_inode_nowait() argument
1438 struct inode *inode, *ret_inode = NULL; in find_inode_nowait() local
1442 hlist_for_each_entry(inode, head, i_hash) { in find_inode_nowait()
1443 if (inode->i_sb != sb) in find_inode_nowait()
1445 mval = match(inode, hashval, data); in find_inode_nowait()
1449 ret_inode = inode; in find_inode_nowait()
1479 struct inode *find_inode_rcu(struct super_block *sb, unsigned long hashval, in find_inode_rcu()
1480 int (*test)(struct inode *, void *), void *data) in find_inode_rcu() argument
1483 struct inode *inode; in find_inode_rcu() local
1488 hlist_for_each_entry_rcu(inode, head, i_hash) { in find_inode_rcu()
1489 if (inode->i_sb == sb && in find_inode_rcu()
1490 !(READ_ONCE(inode->i_state) & (I_FREEING | I_WILL_FREE)) && in find_inode_rcu()
1491 test(inode, data)) in find_inode_rcu()
1492 return inode; in find_inode_rcu()
1517 struct inode *find_inode_by_ino_rcu(struct super_block *sb, in find_inode_by_ino_rcu()
1521 struct inode *inode; in find_inode_by_ino_rcu() local
1526 hlist_for_each_entry_rcu(inode, head, i_hash) { in find_inode_by_ino_rcu()
1527 if (inode->i_ino == ino && in find_inode_by_ino_rcu()
1528 inode->i_sb == sb && in find_inode_by_ino_rcu()
1529 !(READ_ONCE(inode->i_state) & (I_FREEING | I_WILL_FREE))) in find_inode_by_ino_rcu()
1530 return inode; in find_inode_by_ino_rcu()
1536 int insert_inode_locked(struct inode *inode) in insert_inode_locked() argument
1538 struct super_block *sb = inode->i_sb; in insert_inode_locked()
1539 ino_t ino = inode->i_ino; in insert_inode_locked()
1543 struct inode *old = NULL; in insert_inode_locked()
1558 spin_lock(&inode->i_lock); in insert_inode_locked()
1559 inode->i_state |= I_NEW | I_CREATING; in insert_inode_locked()
1560 hlist_add_head_rcu(&inode->i_hash, head); in insert_inode_locked()
1561 spin_unlock(&inode->i_lock); in insert_inode_locked()
1583 int insert_inode_locked4(struct inode *inode, unsigned long hashval, in insert_inode_locked4() argument
1584 int (*test)(struct inode *, void *), void *data) in insert_inode_locked4() argument
1586 struct inode *old; in insert_inode_locked4()
1588 inode->i_state |= I_CREATING; in insert_inode_locked4()
1589 old = inode_insert5(inode, hashval, test, NULL, data); in insert_inode_locked4()
1591 if (old != inode) { in insert_inode_locked4()
1600 int generic_delete_inode(struct inode *inode) in generic_delete_inode() argument
1616 static void iput_final(struct inode *inode) in iput_final() argument
1618 struct super_block *sb = inode->i_sb; in iput_final()
1619 const struct super_operations *op = inode->i_sb->s_op; in iput_final()
1623 WARN_ON(inode->i_state & I_NEW); in iput_final()
1626 drop = op->drop_inode(inode); in iput_final()
1628 drop = generic_drop_inode(inode); in iput_final()
1631 inode_add_lru(inode); in iput_final()
1632 spin_unlock(&inode->i_lock); in iput_final()
1636 state = inode->i_state; in iput_final()
1638 WRITE_ONCE(inode->i_state, state | I_WILL_FREE); in iput_final()
1639 spin_unlock(&inode->i_lock); in iput_final()
1641 write_inode_now(inode, 1); in iput_final()
1643 spin_lock(&inode->i_lock); in iput_final()
1644 state = inode->i_state; in iput_final()
1649 WRITE_ONCE(inode->i_state, state | I_FREEING); in iput_final()
1650 if (!list_empty(&inode->i_lru)) in iput_final()
1651 inode_lru_list_del(inode); in iput_final()
1652 spin_unlock(&inode->i_lock); in iput_final()
1654 evict(inode); in iput_final()
1666 void iput(struct inode *inode) in iput() argument
1668 if (!inode) in iput()
1670 BUG_ON(inode->i_state & I_CLEAR); in iput()
1672 if (atomic_dec_and_lock(&inode->i_count, &inode->i_lock)) { in iput()
1673 if (inode->i_nlink && (inode->i_state & I_DIRTY_TIME)) { in iput()
1674 atomic_inc(&inode->i_count); in iput()
1675 spin_unlock(&inode->i_lock); in iput()
1676 trace_writeback_lazytime_iput(inode); in iput()
1677 mark_inode_dirty_sync(inode); in iput()
1680 iput_final(inode); in iput()
1700 int bmap(struct inode *inode, sector_t *block) in bmap() argument
1702 if (!inode->i_mapping->a_ops->bmap) in bmap()
1705 *block = inode->i_mapping->a_ops->bmap(inode->i_mapping, *block); in bmap()
1716 static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, in relatime_need_update() argument
1725 if (timespec64_compare(&inode->i_mtime, &inode->i_atime) >= 0) in relatime_need_update()
1730 if (timespec64_compare(&inode->i_ctime, &inode->i_atime) >= 0) in relatime_need_update()
1737 if ((long)(now.tv_sec - inode->i_atime.tv_sec) >= 24*60*60) in relatime_need_update()
1745 int generic_update_time(struct inode *inode, struct timespec64 *time, int flags) in generic_update_time() argument
1751 inode->i_atime = *time; in generic_update_time()
1753 dirty = inode_maybe_inc_iversion(inode, false); in generic_update_time()
1755 inode->i_ctime = *time; in generic_update_time()
1757 inode->i_mtime = *time; in generic_update_time()
1759 !(inode->i_sb->s_flags & SB_LAZYTIME)) in generic_update_time()
1764 __mark_inode_dirty(inode, iflags); in generic_update_time()
1773 static int update_time(struct inode *inode, struct timespec64 *time, int flags) in update_time() argument
1775 if (inode->i_op->update_time) in update_time()
1776 return inode->i_op->update_time(inode, time, flags); in update_time()
1777 return generic_update_time(inode, time, flags); in update_time()
1789 bool atime_needs_update(const struct path *path, struct inode *inode) in atime_needs_update() argument
1794 if (inode->i_flags & S_NOATIME) in atime_needs_update()
1800 if (HAS_UNMAPPED_ID(inode)) in atime_needs_update()
1803 if (IS_NOATIME(inode)) in atime_needs_update()
1805 if ((inode->i_sb->s_flags & SB_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1810 if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)) in atime_needs_update()
1813 now = current_time(inode); in atime_needs_update()
1815 if (!relatime_need_update(mnt, inode, now)) in atime_needs_update()
1818 if (timespec64_equal(&inode->i_atime, &now)) in atime_needs_update()
1827 struct inode *inode = d_inode(path->dentry); in touch_atime() local
1830 if (!atime_needs_update(path, inode)) in touch_atime()
1833 if (!sb_start_write_trylock(inode->i_sb)) in touch_atime()
1847 now = current_time(inode); in touch_atime()
1848 update_time(inode, &now, S_ATIME); in touch_atime()
1851 sb_end_write(inode->i_sb); in touch_atime()
1891 struct inode *inode = d_inode(dentry); in dentry_needs_remove_privs() local
1895 if (IS_NOSEC(inode)) in dentry_needs_remove_privs()
1926 struct inode *inode = file_inode(file); in file_remove_privs() local
1936 if (IS_NOSEC(inode) || !S_ISREG(inode->i_mode)) in file_remove_privs()
1945 inode_has_no_xattr(inode); in file_remove_privs()
1966 struct inode *inode = file_inode(file); in file_update_time() local
1972 if (IS_NOCMTIME(inode)) in file_update_time()
1975 now = current_time(inode); in file_update_time()
1976 if (!timespec64_equal(&inode->i_mtime, &now)) in file_update_time()
1979 if (!timespec64_equal(&inode->i_ctime, &now)) in file_update_time()
1982 if (IS_I_VERSION(inode) && inode_iversion_need_inc(inode)) in file_update_time()
1992 ret = update_time(inode, &now, sync_it); in file_update_time()
2019 int inode_needs_sync(struct inode *inode) in inode_needs_sync() argument
2021 if (IS_SYNC(inode)) in inode_needs_sync()
2023 if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) in inode_needs_sync()
2040 static void __wait_on_freeing_inode(struct inode *inode) in __wait_on_freeing_inode() argument
2043 DEFINE_WAIT_BIT(wait, &inode->i_state, __I_NEW); in __wait_on_freeing_inode()
2044 wq = bit_waitqueue(&inode->i_state, __I_NEW); in __wait_on_freeing_inode()
2046 spin_unlock(&inode->i_lock); in __wait_on_freeing_inode()
2090 sizeof(struct inode), in inode_init()
2112 void init_special_inode(struct inode *inode, umode_t mode, dev_t rdev) in init_special_inode() argument
2114 inode->i_mode = mode; in init_special_inode()
2116 inode->i_fop = &def_chr_fops; in init_special_inode()
2117 inode->i_rdev = rdev; in init_special_inode()
2119 inode->i_fop = &def_blk_fops; in init_special_inode()
2120 inode->i_rdev = rdev; in init_special_inode()
2122 inode->i_fop = &pipefifo_fops; in init_special_inode()
2127 " inode %s:%lu\n", mode, inode->i_sb->s_id, in init_special_inode()
2128 inode->i_ino); in init_special_inode()
2138 void inode_init_owner(struct inode *inode, const struct inode *dir, in inode_init_owner() argument
2141 inode->i_uid = current_fsuid(); in inode_init_owner()
2143 inode->i_gid = dir->i_gid; in inode_init_owner()
2149 !in_group_p(inode->i_gid) && in inode_init_owner()
2153 inode->i_gid = current_fsgid(); in inode_init_owner()
2154 inode->i_mode = mode; in inode_init_owner()
2165 bool inode_owner_or_capable(const struct inode *inode) in inode_owner_or_capable() argument
2169 if (uid_eq(current_fsuid(), inode->i_uid)) in inode_owner_or_capable()
2173 if (kuid_has_mapping(ns, inode->i_uid) && ns_capable(ns, CAP_FOWNER)) in inode_owner_or_capable()
2182 static void __inode_dio_wait(struct inode *inode) in __inode_dio_wait() argument
2184 wait_queue_head_t *wq = bit_waitqueue(&inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2185 DEFINE_WAIT_BIT(q, &inode->i_state, __I_DIO_WAKEUP); in __inode_dio_wait()
2189 if (atomic_read(&inode->i_dio_count)) in __inode_dio_wait()
2191 } while (atomic_read(&inode->i_dio_count)); in __inode_dio_wait()
2205 void inode_dio_wait(struct inode *inode) in inode_dio_wait() argument
2207 if (atomic_read(&inode->i_dio_count)) in inode_dio_wait()
2208 __inode_dio_wait(inode); in inode_dio_wait()
2228 void inode_set_flags(struct inode *inode, unsigned int flags, in inode_set_flags() argument
2232 set_mask_bits(&inode->i_flags, mask, flags); in inode_set_flags()
2236 void inode_nohighmem(struct inode *inode) in inode_nohighmem() argument
2238 mapping_set_gfp_mask(inode->i_mapping, GFP_USER); in inode_nohighmem()
2251 struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode) in timestamp_truncate() argument
2253 struct super_block *sb = inode->i_sb; in timestamp_truncate()
2283 struct timespec64 current_time(struct inode *inode) in current_time() argument
2289 if (unlikely(!inode->i_sb)) { in current_time()
2294 return timestamp_truncate(now, inode); in current_time()
2305 int vfs_ioc_setflags_prepare(struct inode *inode, unsigned int oldflags, in vfs_ioc_setflags_prepare() argument
2318 return fscrypt_prepare_setflags(inode, oldflags, flags); in vfs_ioc_setflags_prepare()
2329 int vfs_ioc_fssetxattr_check(struct inode *inode, const struct fsxattr *old_fa, in vfs_ioc_fssetxattr_check() argument
2355 if ((fa->fsx_xflags & FS_XFLAG_EXTSIZE) && !S_ISREG(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2359 !S_ISDIR(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2363 !S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode)) in vfs_ioc_fssetxattr_check()
2371 !(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) in vfs_ioc_fssetxattr_check()