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()
466 static int ubifs_dir_release(struct inode *dir, struct file *file)  in ubifs_dir_release()  argument
499 static int ubifs_link(struct dentry *old_dentry, struct inode *dir,  in ubifs_link()  argument
502 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_link()
505 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_link()
517 		inode->i_nlink, dir->i_ino);  in ubifs_link()
518 	ubifs_assert(mutex_is_locked(&dir->i_mutex));  in ubifs_link()
529 	lock_2_inodes(dir, inode);  in ubifs_link()
533 	dir->i_size += sz_change;  in ubifs_link()
534 	dir_ui->ui_size = dir->i_size;  in ubifs_link()
535 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_link()
536 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_link()
539 	unlock_2_inodes(dir, inode);  in ubifs_link()
546 	dir->i_size -= sz_change;  in ubifs_link()
547 	dir_ui->ui_size = dir->i_size;  in ubifs_link()
549 	unlock_2_inodes(dir, inode);  in ubifs_link()
555 static int ubifs_unlink(struct inode *dir, struct dentry *dentry)  in ubifs_unlink()  argument
557 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_unlink()
559 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_unlink()
574 		inode->i_nlink, dir->i_ino);  in ubifs_unlink()
575 	ubifs_assert(mutex_is_locked(&dir->i_mutex));  in ubifs_unlink()
588 	lock_2_inodes(dir, inode);  in ubifs_unlink()
589 	inode->i_ctime = ubifs_current_time(dir);  in ubifs_unlink()
591 	dir->i_size -= sz_change;  in ubifs_unlink()
592 	dir_ui->ui_size = dir->i_size;  in ubifs_unlink()
593 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_unlink()
594 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 1, 0);  in ubifs_unlink()
597 	unlock_2_inodes(dir, inode);  in ubifs_unlink()
609 	dir->i_size += sz_change;  in ubifs_unlink()
610 	dir_ui->ui_size = dir->i_size;  in ubifs_unlink()
612 	unlock_2_inodes(dir, inode);  in ubifs_unlink()
627 static int check_dir_empty(struct ubifs_info *c, struct inode *dir)  in check_dir_empty()  argument
634 	lowest_dent_key(c, &key, dir->i_ino);  in check_dir_empty()
647 static int ubifs_rmdir(struct inode *dir, struct dentry *dentry)  in ubifs_rmdir()  argument
649 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_rmdir()
653 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_rmdir()
663 		inode->i_ino, dir->i_ino);  in ubifs_rmdir()
664 	ubifs_assert(mutex_is_locked(&dir->i_mutex));  in ubifs_rmdir()
677 	lock_2_inodes(dir, inode);  in ubifs_rmdir()
678 	inode->i_ctime = ubifs_current_time(dir);  in ubifs_rmdir()
680 	drop_nlink(dir);  in ubifs_rmdir()
681 	dir->i_size -= sz_change;  in ubifs_rmdir()
682 	dir_ui->ui_size = dir->i_size;  in ubifs_rmdir()
683 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_rmdir()
684 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 1, 0);  in ubifs_rmdir()
687 	unlock_2_inodes(dir, inode);  in ubifs_rmdir()
699 	dir->i_size += sz_change;  in ubifs_rmdir()
700 	dir_ui->ui_size = dir->i_size;  in ubifs_rmdir()
701 	inc_nlink(dir);  in ubifs_rmdir()
703 	unlock_2_inodes(dir, inode);  in ubifs_rmdir()
709 static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in ubifs_mkdir()  argument
712 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_mkdir()
713 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_mkdir()
723 		dentry, mode, dir->i_ino);  in ubifs_mkdir()
729 	inode = ubifs_new_inode(c, dir, S_IFDIR | mode);  in ubifs_mkdir()
735 	err = ubifs_init_security(dir, inode, &dentry->d_name);  in ubifs_mkdir()
742 	inc_nlink(dir);  in ubifs_mkdir()
743 	dir->i_size += sz_change;  in ubifs_mkdir()
744 	dir_ui->ui_size = dir->i_size;  in ubifs_mkdir()
745 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_mkdir()
746 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_mkdir()
758 	dir->i_size -= sz_change;  in ubifs_mkdir()
759 	dir_ui->ui_size = dir->i_size;  in ubifs_mkdir()
760 	drop_nlink(dir);  in ubifs_mkdir()
770 static int ubifs_mknod(struct inode *dir, struct dentry *dentry,  in ubifs_mknod()  argument
775 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_mknod()
776 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_mknod()
789 	dbg_gen("dent '%pd' in dir ino %lu", dentry, dir->i_ino);  in ubifs_mknod()
804 	inode = ubifs_new_inode(c, dir, mode);  in ubifs_mknod()
817 	err = ubifs_init_security(dir, inode, &dentry->d_name);  in ubifs_mknod()
822 	dir->i_size += sz_change;  in ubifs_mknod()
823 	dir_ui->ui_size = dir->i_size;  in ubifs_mknod()
824 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_mknod()
825 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_mknod()
836 	dir->i_size -= sz_change;  in ubifs_mknod()
837 	dir_ui->ui_size = dir->i_size;  in ubifs_mknod()
847 static int ubifs_symlink(struct inode *dir, struct dentry *dentry,  in ubifs_symlink()  argument
852 	struct ubifs_inode *dir_ui = ubifs_inode(dir);  in ubifs_symlink()
853 	struct ubifs_info *c = dir->i_sb->s_fs_info;  in ubifs_symlink()
866 		symname, dir->i_ino);  in ubifs_symlink()
875 	inode = ubifs_new_inode(c, dir, S_IFLNK | S_IRWXUGO);  in ubifs_symlink()
899 	err = ubifs_init_security(dir, inode, &dentry->d_name);  in ubifs_symlink()
904 	dir->i_size += sz_change;  in ubifs_symlink()
905 	dir_ui->ui_size = dir->i_size;  in ubifs_symlink()
906 	dir->i_mtime = dir->i_ctime = inode->i_ctime;  in ubifs_symlink()
907 	err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);  in ubifs_symlink()
918 	dir->i_size -= sz_change;  in ubifs_symlink()
919 	dir_ui->ui_size = dir->i_size;  in ubifs_symlink()