59 static int inherit_flags(const struct inode *dir, umode_t mode)  in inherit_flags()  argument
62 	const struct ubifs_inode *ui = ubifs_inode(dir);  in inherit_flags()
64 	if (!S_ISDIR(dir->i_mode))  in inherit_flags()
88 struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir,  in ubifs_new_inode()  argument
107 	inode_init_owner(inode, dir, mode);  in ubifs_new_inode()
136 	ui->flags = inherit_flags(dir, mode);  in ubifs_new_inode()
184 static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry,  in ubifs_lookup()  argument
191 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_lookup()
193 	dbg_gen("'%pd' in dir ino %lu", dentry, dir->i_ino);  in ubifs_lookup()
202 	dent_key_init(c, &key, dir->i_ino, &dentry->d_name);  in ubifs_lookup()
218 	inode = ubifs_iget(dir->i_sb, le64_to_cpu(dent->inum));  in ubifs_lookup()
245 static int ubifs_create(struct inode *dir, struct dentry *dentry, umode_t mode,  in ubifs_create()  argument
249 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_create()
253 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_create()
261 		dentry, mode, dir->i_ino);  in ubifs_create()
267 	inode = ubifs_new_inode(c, dir, mode);  in ubifs_create()
273 	err = ubifs_init_security(dir, inode, &dentry->d_name);  in ubifs_create()
278 	dir->i_size += sz_change;  in ubifs_create()
279 	dir_ui->ui_size = dir->i_size;  in ubifs_create()
280 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_create()
281 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_create()
292 	dir->i_size -= sz_change;  in ubifs_create()
293 	dir_ui->ui_size = dir->i_size;  in ubifs_create()
357 	struct inode *dir = file_inode(file);  in ubifs_readdir()  local
358 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_readdir()
360 	dbg_gen("dir ino %lu, f_pos %#llx", dir->i_ino, ctx->pos);  in ubifs_readdir()
394 		lowest_dent_key(c, &key, dir->i_ino);  in ubifs_readdir()
412 		dent_key_init_hash(c, &key, dir->i_ino, ctx->pos);  in ubifs_readdir()
428 			     ubifs_inode(dir)->creat_sqnum);  in ubifs_readdir()
465 static int ubifs_dir_release(struct inode *dir, struct file *file)  in ubifs_dir_release()  argument
498 static int ubifs_link(struct dentry *old_dentry, struct inode *dir,  in ubifs_link()  argument
501 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_link()
504 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_link()
516 		inode->i_nlink, dir->i_ino);  in ubifs_link()
517 	ubifs_assert(mutex_is_locked(&dir->i_mutex));  in ubifs_link()
528 	lock_2_inodes(dir, inode);  in ubifs_link()
532 	dir->i_size += sz_change;  in ubifs_link()
533 	dir_ui->ui_size = dir->i_size;  in ubifs_link()
534 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_link()
535 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_link()
538 	unlock_2_inodes(dir, inode);  in ubifs_link()
545 	dir->i_size -= sz_change;  in ubifs_link()
546 	dir_ui->ui_size = dir->i_size;  in ubifs_link()
548 	unlock_2_inodes(dir, inode);  in ubifs_link()
554 static int ubifs_unlink(struct inode *dir, struct dentry *dentry)  in ubifs_unlink()  argument
556 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_unlink()
558 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_unlink()
573 		inode->i_nlink, dir->i_ino);  in ubifs_unlink()
574 	ubifs_assert(mutex_is_locked(&dir->i_mutex));  in ubifs_unlink()
587 	lock_2_inodes(dir, inode);  in ubifs_unlink()
588 	inode->i_ctime = ubifs_current_time(dir);  in ubifs_unlink()
590 	dir->i_size -= sz_change;  in ubifs_unlink()
591 	dir_ui->ui_size = dir->i_size;  in ubifs_unlink()
592 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_unlink()
593 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 1, 0);  in ubifs_unlink()
596 	unlock_2_inodes(dir, inode);  in ubifs_unlink()
608 	dir->i_size += sz_change;  in ubifs_unlink()
609 	dir_ui->ui_size = dir->i_size;  in ubifs_unlink()
611 	unlock_2_inodes(dir, inode);  in ubifs_unlink()
626 static int check_dir_empty(struct ubifs_info *c, struct inode *dir)  in check_dir_empty()  argument
633 	lowest_dent_key(c, &key, dir->i_ino);  in check_dir_empty()
646 static int ubifs_rmdir(struct inode *dir, struct dentry *dentry)  in ubifs_rmdir()  argument
648 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_rmdir()
652 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_rmdir()
662 		inode->i_ino, dir->i_ino);  in ubifs_rmdir()
663 	ubifs_assert(mutex_is_locked(&dir->i_mutex));  in ubifs_rmdir()
676 	lock_2_inodes(dir, inode);  in ubifs_rmdir()
677 	inode->i_ctime = ubifs_current_time(dir);  in ubifs_rmdir()
679 	drop_nlink(dir);  in ubifs_rmdir()
680 	dir->i_size -= sz_change;  in ubifs_rmdir()
681 	dir_ui->ui_size = dir->i_size;  in ubifs_rmdir()
682 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_rmdir()
683 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 1, 0);  in ubifs_rmdir()
686 	unlock_2_inodes(dir, inode);  in ubifs_rmdir()
698 	dir->i_size += sz_change;  in ubifs_rmdir()
699 	dir_ui->ui_size = dir->i_size;  in ubifs_rmdir()
700 	inc_nlink(dir);  in ubifs_rmdir()
702 	unlock_2_inodes(dir, inode);  in ubifs_rmdir()
708 static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in ubifs_mkdir()  argument
711 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_mkdir()
712 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_mkdir()
722 		dentry, mode, dir->i_ino);  in ubifs_mkdir()
728 	inode = ubifs_new_inode(c, dir, S_IFDIR | mode);  in ubifs_mkdir()
734 	err = ubifs_init_security(dir, inode, &dentry->d_name);  in ubifs_mkdir()
741 	inc_nlink(dir);  in ubifs_mkdir()
742 	dir->i_size += sz_change;  in ubifs_mkdir()
743 	dir_ui->ui_size = dir->i_size;  in ubifs_mkdir()
744 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_mkdir()
745 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_mkdir()
757 	dir->i_size -= sz_change;  in ubifs_mkdir()
758 	dir_ui->ui_size = dir->i_size;  in ubifs_mkdir()
759 	drop_nlink(dir);  in ubifs_mkdir()
769 static int ubifs_mknod(struct inode *dir, struct dentry *dentry,  in ubifs_mknod()  argument
774 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_mknod()
775 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_mknod()
788 	dbg_gen("dent '%pd' in dir ino %lu", dentry, dir->i_ino);  in ubifs_mknod()
806 	inode = ubifs_new_inode(c, dir, mode);  in ubifs_mknod()
819 	err = ubifs_init_security(dir, inode, &dentry->d_name);  in ubifs_mknod()
824 	dir->i_size += sz_change;  in ubifs_mknod()
825 	dir_ui->ui_size = dir->i_size;  in ubifs_mknod()
826 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_mknod()
827 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_mknod()
838 	dir->i_size -= sz_change;  in ubifs_mknod()
839 	dir_ui->ui_size = dir->i_size;  in ubifs_mknod()
849 static int ubifs_symlink(struct inode *dir, struct dentry *dentry,  in ubifs_symlink()  argument
854 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_symlink()
855 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_symlink()
868 		symname, dir->i_ino);  in ubifs_symlink()
877 	inode = ubifs_new_inode(c, dir, S_IFLNK | S_IRWXUGO);  in ubifs_symlink()
900 	err = ubifs_init_security(dir, inode, &dentry->d_name);  in ubifs_symlink()
905 	dir->i_size += sz_change;  in ubifs_symlink()
906 	dir_ui->ui_size = dir->i_size;  in ubifs_symlink()
907 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_symlink()
908 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_symlink()
919 	dir->i_size -= sz_change;  in ubifs_symlink()
920 	dir_ui->ui_size = dir->i_size;  in ubifs_symlink()