51 		struct inode *winode = NULL;  in ovl_setattr()
178 	struct inode *inode = d_inode(dentry);  in ovl_getattr()  local
179 	bool is_dir = S_ISDIR(inode->i_mode);  in ovl_getattr()
194 	generic_fill_statx_attr(inode, stat);  in ovl_getattr()
298 	vfsuid = make_vfsuid(idmap, i_user_ns(inode), stat->uid);  in ovl_getattr()
299 	vfsgid = make_vfsgid(idmap, i_user_ns(inode), stat->gid);  in ovl_getattr()
307 		   struct inode *inode, int mask)  in ovl_permission()  argument
309 	struct inode *upperinode = ovl_inode_upper(inode);  in ovl_permission()
310 	struct inode *realinode;  in ovl_permission()
315 	realinode = ovl_i_path_real(inode, &realpath);  in ovl_permission()
325 	err = generic_permission(idmap, inode, mask);  in ovl_permission()
336 	with_ovl_creds(inode->i_sb)  in ovl_permission()
341 				struct inode *inode,  in ovl_get_link()  argument
357 static void ovl_idmap_posix_acl(const struct inode *realinode,  in ovl_idmap_posix_acl()
410 	struct inode *realinode = d_inode(path->dentry);  in ovl_get_acl_path()
451 				 struct inode *inode, int type,  in do_ovl_get_acl()  argument
454 	struct inode *realinode;  in do_ovl_get_acl()
459 	realinode = ovl_i_path_real(inode, &realpath);  in do_ovl_get_acl()
478 		with_ovl_creds(inode->i_sb)  in do_ovl_get_acl()
485 static int ovl_set_or_remove_acl(struct dentry *dentry, struct inode *inode,  in ovl_set_or_remove_acl()  argument
534 	ovl_copyattr(inode);  in ovl_set_or_remove_acl()
543 	struct inode *inode = d_inode(dentry);  in ovl_set_acl()  local
545 	struct inode *realinode = ovl_inode_real(inode);  in ovl_set_acl()
551 	if (type == ACL_TYPE_DEFAULT && !S_ISDIR(inode->i_mode))  in ovl_set_acl()
553 	if (!inode_owner_or_capable(idmap, inode))  in ovl_set_acl()
560 	if (unlikely(inode->i_mode & S_ISGID) && type == ACL_TYPE_ACCESS &&  in ovl_set_acl()
561 	    !in_group_or_capable(idmap, inode,  in ovl_set_acl()
562 				 i_gid_into_vfsgid(idmap, inode))) {  in ovl_set_acl()
570 	return ovl_set_or_remove_acl(dentry, inode, acl, type);  in ovl_set_acl()
574 int ovl_update_time(struct inode *inode, enum fs_update_time type,  in ovl_update_time()  argument
578 		struct ovl_fs *ofs = OVL_FS(inode->i_sb);  in ovl_update_time()
581 			.dentry = ovl_upperdentry_dereference(OVL_I(inode)),  in ovl_update_time()
588 			inode_set_atime_to_ts(inode,  in ovl_update_time()
595 static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,  in ovl_fiemap()  argument
598 	struct inode *realinode = ovl_inode_realdata(inode);  in ovl_fiemap()
606 	with_ovl_creds(inode->i_sb)  in ovl_fiemap()
656 	struct inode *inode = d_inode(dentry);  in ovl_fileattr_set()  local
669 		with_ovl_creds(inode->i_sb) {  in ovl_fileattr_set()
677 			err = ovl_set_protattr(inode, upperpath.dentry, fa);  in ovl_fileattr_set()
687 		flags = ovl_inode_real(inode)->i_flags & OVL_COPY_I_FLAGS_MASK;  in ovl_fileattr_set()
690 		flags |= inode->i_flags & OVL_PROT_I_FLAGS_MASK;  in ovl_fileattr_set()
691 		inode_set_flags(inode, flags, OVL_COPY_I_FLAGS_MASK);  in ovl_fileattr_set()
694 		ovl_copyattr(inode);  in ovl_fileattr_set()
701 static void ovl_fileattr_prot_flags(struct inode *inode, struct file_kattr *fa)  in ovl_fileattr_prot_flags()  argument
706 	if (inode->i_flags & S_APPEND) {  in ovl_fileattr_prot_flags()
710 	if (inode->i_flags & S_IMMUTABLE) {  in ovl_fileattr_prot_flags()
732 	struct inode *inode = d_inode(dentry);  in ovl_fileattr_get()  local
738 	with_ovl_creds(inode->i_sb)  in ovl_fileattr_get()
740 	ovl_fileattr_prot_flags(inode, fa);  in ovl_fileattr_get()
821 static inline void ovl_lockdep_annotate_inode_mutex_key(struct inode *inode)  in ovl_lockdep_annotate_inode_mutex_key()  argument
828 	int depth = inode->i_sb->s_stack_depth - 1;  in ovl_lockdep_annotate_inode_mutex_key()
833 	if (S_ISDIR(inode->i_mode))  in ovl_lockdep_annotate_inode_mutex_key()
834 		lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_dir_key[depth]);  in ovl_lockdep_annotate_inode_mutex_key()
836 		lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_key[depth]);  in ovl_lockdep_annotate_inode_mutex_key()
838 	lockdep_set_class(&OVL_I(inode)->lock, &ovl_i_lock_key[depth]);  in ovl_lockdep_annotate_inode_mutex_key()
842 static void ovl_next_ino(struct inode *inode)  in ovl_next_ino()  argument
844 	struct ovl_fs *ofs = OVL_FS(inode->i_sb);  in ovl_next_ino()
846 	inode->i_ino = atomic_long_inc_return(&ofs->last_ino);  in ovl_next_ino()
847 	if (unlikely(!inode->i_ino))  in ovl_next_ino()
848 		inode->i_ino = atomic_long_inc_return(&ofs->last_ino);  in ovl_next_ino()
851 static void ovl_map_ino(struct inode *inode, unsigned long ino, int fsid)  in ovl_map_ino()  argument
853 	struct ovl_fs *ofs = OVL_FS(inode->i_sb);  in ovl_map_ino()
864 	inode->i_ino = ino;  in ovl_map_ino()
868 		inode->i_ino |= (unsigned long)fsid << (xinoshift + 1);  in ovl_map_ino()
881 	if (S_ISDIR(inode->i_mode)) {  in ovl_map_ino()
882 		ovl_next_ino(inode);  in ovl_map_ino()
884 			inode->i_ino &= ~0UL >> xinobits;  in ovl_map_ino()
885 			inode->i_ino |= 1UL << xinoshift;  in ovl_map_ino()
890 void ovl_inode_init(struct inode *inode, struct ovl_inode_params *oip,  in ovl_inode_init()  argument
893 	struct inode *realinode;  in ovl_inode_init()
894 	struct ovl_inode *oi = OVL_I(inode);  in ovl_inode_init()
901 	realinode = ovl_inode_real(inode);  in ovl_inode_init()
902 	ovl_copyattr(inode);  in ovl_inode_init()
903 	ovl_copyflags(realinode, inode);  in ovl_inode_init()
904 	ovl_map_ino(inode, ino, fsid);  in ovl_inode_init()
907 static void ovl_fill_inode(struct inode *inode, umode_t mode, dev_t rdev)  in ovl_fill_inode()  argument
909 	inode->i_mode = mode;  in ovl_fill_inode()
910 	inode->i_flags |= S_NOCMTIME;  in ovl_fill_inode()
912 	inode->i_acl = inode->i_default_acl = ACL_DONT_CACHE;  in ovl_fill_inode()
915 	ovl_lockdep_annotate_inode_mutex_key(inode);  in ovl_fill_inode()
919 		inode->i_op = &ovl_file_inode_operations;  in ovl_fill_inode()
920 		inode->i_fop = &ovl_file_operations;  in ovl_fill_inode()
921 		inode->i_mapping->a_ops = &ovl_aops;  in ovl_fill_inode()
925 		inode->i_op = &ovl_dir_inode_operations;  in ovl_fill_inode()
926 		inode->i_fop = &ovl_dir_operations;  in ovl_fill_inode()
930 		inode->i_op = &ovl_symlink_inode_operations;  in ovl_fill_inode()
934 		inode->i_op = &ovl_special_inode_operations;  in ovl_fill_inode()
935 		init_special_inode(inode, mode, rdev);  in ovl_fill_inode()
976 	struct inode *inode = d_inode(dentry);  in ovl_set_nlink_common()  local
977 	struct inode *realinode = d_inode(realdentry);  in ovl_set_nlink_common()
982 		       (int) (inode->i_nlink - realinode->i_nlink));  in ovl_set_nlink_common()
987 	return ovl_setxattr(OVL_FS(inode->i_sb), ovl_dentry_upper(dentry),  in ovl_set_nlink_common()
1041 struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev)  in ovl_new_inode()
1043 	struct inode *inode;  in ovl_new_inode()  local
1045 	inode = new_inode(sb);  in ovl_new_inode()
1046 	if (inode)  in ovl_new_inode()
1047 		ovl_fill_inode(inode, mode, rdev);  in ovl_new_inode()
1049 	return inode;  in ovl_new_inode()
1052 static int ovl_inode_test(struct inode *inode, void *data)  in ovl_inode_test()  argument
1054 	return inode->i_private == data;  in ovl_inode_test()
1057 static int ovl_inode_set(struct inode *inode, void *data)  in ovl_inode_set()  argument
1059 	inode->i_private = data;  in ovl_inode_set()
1063 static bool ovl_verify_inode(struct inode *inode, struct dentry *lowerdentry,  in ovl_verify_inode()  argument
1072 	if (S_ISDIR(inode->i_mode) && strict) {  in ovl_verify_inode()
1074 		if (!lowerdentry && ovl_inode_lower(inode))  in ovl_verify_inode()
1078 		if (!upperdentry && ovl_inode_upper(inode))  in ovl_verify_inode()
1088 	if (lowerdentry && ovl_inode_lower(inode) != d_inode(lowerdentry))  in ovl_verify_inode()
1095 	if (upperdentry && ovl_inode_upper(inode) != d_inode(upperdentry))  in ovl_verify_inode()
1101 struct inode *ovl_lookup_inode(struct super_block *sb, struct dentry *real,  in ovl_lookup_inode()
1104 	struct inode *inode, *key = d_inode(real);  in ovl_lookup_inode()  local
1106 	inode = ilookup5(sb, (unsigned long) key, ovl_inode_test, key);  in ovl_lookup_inode()
1107 	if (!inode)  in ovl_lookup_inode()
1110 	if (!ovl_verify_inode(inode, is_upper ? NULL : real,  in ovl_lookup_inode()
1112 		iput(inode);  in ovl_lookup_inode()
1116 	return inode;  in ovl_lookup_inode()
1121 	struct inode *key = d_inode(dir);  in ovl_lookup_trap_inode()
1122 	struct inode *trap;  in ovl_lookup_trap_inode()
1141 struct inode *ovl_get_trap_inode(struct super_block *sb, struct dentry *dir)  in ovl_get_trap_inode()
1143 	struct inode *key = d_inode(dir);  in ovl_get_trap_inode()
1144 	struct inode *trap;  in ovl_get_trap_inode()
1200 static struct inode *ovl_iget5(struct super_block *sb, struct inode *newinode,  in ovl_iget5()
1201 			       struct inode *key)  in ovl_iget5()
1209 struct inode *ovl_get_inode(struct super_block *sb,  in ovl_get_inode()
1215 	struct inode *realinode = upperdentry ? d_inode(upperdentry) : NULL;  in ovl_get_inode()
1216 	struct inode *inode;  in ovl_get_inode()  local
1238 		struct inode *key = d_inode(bylower ? lowerdentry :  in ovl_get_inode()
1242 		inode = ovl_iget5(sb, oip->newinode, key);  in ovl_get_inode()
1243 		if (!inode)  in ovl_get_inode()
1245 		if (!(inode_state_read_once(inode) & I_NEW)) {  in ovl_get_inode()
1250 			if (!ovl_verify_inode(inode, lowerdentry, upperdentry,  in ovl_get_inode()
1252 				iput(inode);  in ovl_get_inode()
1268 		set_nlink(inode, nlink);  in ovl_get_inode()
1272 		inode = new_inode(sb);  in ovl_get_inode()
1273 		if (!inode) {  in ovl_get_inode()
1280 	ovl_fill_inode(inode, realinode->i_mode, realinode->i_rdev);  in ovl_get_inode()
1281 	ovl_inode_init(inode, oip, ino, fsid);  in ovl_get_inode()
1282 	WARN_ON_ONCE(!!IS_CASEFOLDED(inode) != ofs->casefold);  in ovl_get_inode()
1285 		ovl_set_flag(OVL_IMPURE, inode);  in ovl_get_inode()
1288 		ovl_set_flag(OVL_INDEX, inode);  in ovl_get_inode()
1291 		ovl_set_flag(OVL_CONST_INO, inode);  in ovl_get_inode()
1297 			ovl_set_flag(OVL_WHITEOUTS, inode);  in ovl_get_inode()
1303 		ovl_check_protattr(inode, upperdentry);  in ovl_get_inode()
1305 	if (inode_state_read_once(inode) & I_NEW)  in ovl_get_inode()
1306 		unlock_new_inode(inode);  in ovl_get_inode()
1308 	return inode;  in ovl_get_inode()
1312 	inode = ERR_PTR(err);  in ovl_get_inode()