1567 				    struct dentry *dir,  in lookup_dcache()  argument
1570 	struct dentry *dentry = d_lookup(dir, name);  in lookup_dcache()
1596 	struct inode *dir = base->d_inode;  in lookup_one_qstr_excl()  local
1602 	if (unlikely(IS_DEADDIR(dir)))  in lookup_one_qstr_excl()
1609 	old = dir->i_op->lookup(dir, dentry, flags);  in lookup_one_qstr_excl()
1668 				    struct dentry *dir,  in __lookup_slow()  argument
1672 	struct inode *inode = dir->d_inode;  in __lookup_slow()
1679 	dentry = d_alloc_parallel(dir, name, &wq);  in __lookup_slow()
1705 				  struct dentry *dir,  in lookup_slow()  argument
1708 	struct inode *inode = dir->d_inode;  in lookup_slow()
1711 	res = __lookup_slow(name, dir, flags);  in lookup_slow()
2918 int __check_sticky(struct mnt_idmap *idmap, struct inode *dir,  in __check_sticky()  argument
2925 	if (vfsuid_eq_kuid(i_uid_into_vfsuid(idmap, dir), fsuid))  in __check_sticky()
2951 static int may_delete(struct mnt_idmap *idmap, struct inode *dir,  in may_delete()  argument
2961 	BUG_ON(victim->d_parent->d_inode != dir);  in may_delete()
2968 	audit_inode_child(dir, victim, AUDIT_TYPE_CHILD_DELETE);  in may_delete()
2970 	error = inode_permission(idmap, dir, MAY_WRITE | MAY_EXEC);  in may_delete()
2973 	if (IS_APPEND(dir))  in may_delete()
2976 	if (check_sticky(idmap, dir, inode) || IS_APPEND(inode) ||  in may_delete()
2987 	if (IS_DEADDIR(dir))  in may_delete()
3004 			     struct inode *dir, struct dentry *child)  in may_create()  argument
3006 	audit_inode_child(dir, child, AUDIT_TYPE_CHILD_CREATE);  in may_create()
3009 	if (IS_DEADDIR(dir))  in may_create()
3011 	if (!fsuidgid_has_mapping(dir->i_sb, idmap))  in may_create()
3014 	return inode_permission(idmap, dir, MAY_WRITE | MAY_EXEC);  in may_create()
3113 static inline umode_t mode_strip_umask(const struct inode *dir, umode_t mode)  in mode_strip_umask()  argument
3115 	if (!IS_POSIXACL(dir))  in mode_strip_umask()
3144 				       const struct inode *dir, umode_t mode,  in vfs_prepare_mode()  argument
3147 	mode = mode_strip_sgid(idmap, dir, mode);  in vfs_prepare_mode()
3148 	mode = mode_strip_umask(dir, mode);  in vfs_prepare_mode()
3176 int vfs_create(struct mnt_idmap *idmap, struct inode *dir,  in vfs_create()  argument
3181 	error = may_create(idmap, dir, dentry);  in vfs_create()
3185 	if (!dir->i_op->create)  in vfs_create()
3188 	mode = vfs_prepare_mode(idmap, dir, mode, S_IALLUGO, S_IFREG);  in vfs_create()
3189 	error = security_inode_create(dir, dentry, mode);  in vfs_create()
3192 	error = dir->i_op->create(idmap, dir, dentry, mode, want_excl);  in vfs_create()
3194 		fsnotify_create(dir, dentry);  in vfs_create()
3203 	struct inode *dir = dentry->d_parent->d_inode;  in vfs_mkobj()  local
3204 	int error = may_create(&nop_mnt_idmap, dir, dentry);  in vfs_mkobj()
3210 	error = security_inode_create(dir, dentry, mode);  in vfs_mkobj()
3215 		fsnotify_create(dir, dentry);  in vfs_mkobj()
3309 			const struct path *dir, struct dentry *dentry,  in may_o_create()  argument
3312 	int error = security_path_mknod(dir, dentry, mode, 0);  in may_o_create()
3316 	if (!fsuidgid_has_mapping(dir->dentry->d_sb, idmap))  in may_o_create()
3319 	error = inode_permission(idmap, dir->dentry->d_inode,  in may_o_create()
3324 	return security_inode_create(dir->dentry->d_inode, dentry, mode);  in may_o_create()
3345 	struct inode *dir =  nd->path.dentry->d_inode;  in atomic_open()  local
3353 	error = dir->i_op->atomic_open(dir, dentry, file,  in atomic_open()
3400 	struct dentry *dir = nd->path.dentry;  in lookup_open()  local
3401 	struct inode *dir_inode = dir->d_inode;  in lookup_open()
3412 	dentry = d_lookup(dir, &nd->last);  in lookup_open()
3415 			dentry = d_alloc_parallel(dir, &nd->last, &wq);  in lookup_open()
3451 		mode = vfs_prepare_mode(idmap, dir->d_inode, mode, mode, mode);  in lookup_open()
3509 	struct dentry *dir = nd->path.dentry;  in open_last_lookups()  local
3540 		audit_inode(nd->name, dir, AUDIT_INODE_PARENT);  in open_last_lookups()
3555 		inode_lock(dir->d_inode);  in open_last_lookups()
3557 		inode_lock_shared(dir->d_inode);  in open_last_lookups()
3560 		fsnotify_create(dir->d_inode, dentry);  in open_last_lookups()
3562 		inode_unlock(dir->d_inode);  in open_last_lookups()
3564 		inode_unlock_shared(dir->d_inode);  in open_last_lookups()
3668 	struct inode *dir = d_inode(parentpath->dentry);  in vfs_tmpfile()  local
3674 	error = inode_permission(idmap, dir, MAY_WRITE | MAY_EXEC);  in vfs_tmpfile()
3677 	if (!dir->i_op->tmpfile)  in vfs_tmpfile()
3684 	mode = vfs_prepare_mode(idmap, dir, mode, mode, mode);  in vfs_tmpfile()
3685 	error = dir->i_op->tmpfile(idmap, dir, file, mode);  in vfs_tmpfile()
3968 int vfs_mknod(struct mnt_idmap *idmap, struct inode *dir,  in vfs_mknod()  argument
3972 	int error = may_create(idmap, dir, dentry);  in vfs_mknod()
3981 	if (!dir->i_op->mknod)  in vfs_mknod()
3984 	mode = vfs_prepare_mode(idmap, dir, mode, mode, mode);  in vfs_mknod()
3989 	error = security_inode_mknod(dir, dentry, mode, dev);  in vfs_mknod()
3993 	error = dir->i_op->mknod(idmap, dir, dentry, mode, dev);  in vfs_mknod()
3995 		fsnotify_create(dir, dentry);  in vfs_mknod()
4094 int vfs_mkdir(struct mnt_idmap *idmap, struct inode *dir,  in vfs_mkdir()  argument
4098 	unsigned max_links = dir->i_sb->s_max_links;  in vfs_mkdir()
4100 	error = may_create(idmap, dir, dentry);  in vfs_mkdir()
4104 	if (!dir->i_op->mkdir)  in vfs_mkdir()
4107 	mode = vfs_prepare_mode(idmap, dir, mode, S_IRWXUGO | S_ISVTX, 0);  in vfs_mkdir()
4108 	error = security_inode_mkdir(dir, dentry, mode);  in vfs_mkdir()
4112 	if (max_links && dir->i_nlink >= max_links)  in vfs_mkdir()
4115 	error = dir->i_op->mkdir(idmap, dir, dentry, mode);  in vfs_mkdir()
4117 		fsnotify_mkdir(dir, dentry);  in vfs_mkdir()
4175 int vfs_rmdir(struct mnt_idmap *idmap, struct inode *dir,  in vfs_rmdir()  argument
4178 	int error = may_delete(idmap, dir, dentry, 1);  in vfs_rmdir()
4183 	if (!dir->i_op->rmdir)  in vfs_rmdir()
4194 	error = security_inode_rmdir(dir, dentry);  in vfs_rmdir()
4198 	error = dir->i_op->rmdir(dir, dentry);  in vfs_rmdir()
4211 		d_delete_notify(dir, dentry);  in vfs_rmdir()
4304 int vfs_unlink(struct mnt_idmap *idmap, struct inode *dir,  in vfs_unlink()  argument
4308 	int error = may_delete(idmap, dir, dentry, 0);  in vfs_unlink()
4313 	if (!dir->i_op->unlink)  in vfs_unlink()
4322 		error = security_inode_unlink(dir, dentry);  in vfs_unlink()
4327 			error = dir->i_op->unlink(dir, dentry);  in vfs_unlink()
4339 		fsnotify_unlink(dir, dentry);  in vfs_unlink()
4342 		d_delete_notify(dir, dentry);  in vfs_unlink()
4459 int vfs_symlink(struct mnt_idmap *idmap, struct inode *dir,  in vfs_symlink()  argument
4464 	error = may_create(idmap, dir, dentry);  in vfs_symlink()
4468 	if (!dir->i_op->symlink)  in vfs_symlink()
4471 	error = security_inode_symlink(dir, dentry, oldname);  in vfs_symlink()
4475 	error = dir->i_op->symlink(idmap, dir, dentry, oldname);  in vfs_symlink()
4477 		fsnotify_create(dir, dentry);  in vfs_symlink()
4552 	     struct inode *dir, struct dentry *new_dentry,  in vfs_link()  argument
4556 	unsigned max_links = dir->i_sb->s_max_links;  in vfs_link()
4562 	error = may_create(idmap, dir, new_dentry);  in vfs_link()
4566 	if (dir->i_sb != inode->i_sb)  in vfs_link()
4581 	if (!dir->i_op->link)  in vfs_link()
4586 	error = security_inode_link(old_dentry, dir, new_dentry);  in vfs_link()
4599 			error = dir->i_op->link(old_dentry, dir, new_dentry);  in vfs_link()
4609 		fsnotify_link(dir, inode, new_dentry);  in vfs_link()