3373 static int ext4_rename_dir_prepare(handle_t *handle, struct ext4_renament *ent)  in ext4_rename_dir_prepare()  argument
3377 	ent->dir_bh = ext4_get_first_dir_block(handle, ent->inode,  in ext4_rename_dir_prepare()
3378 					      &retval, &ent->parent_de,  in ext4_rename_dir_prepare()
3379 					      &ent->dir_inlined);  in ext4_rename_dir_prepare()
3380 	if (!ent->dir_bh)  in ext4_rename_dir_prepare()
3382 	if (le32_to_cpu(ent->parent_de->inode) != ent->dir->i_ino)  in ext4_rename_dir_prepare()
3384 	BUFFER_TRACE(ent->dir_bh, "get_write_access");  in ext4_rename_dir_prepare()
3385 	return ext4_journal_get_write_access(handle, ent->dir_bh);  in ext4_rename_dir_prepare()
3388 static int ext4_rename_dir_finish(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_dir_finish()  argument
3393 	ent->parent_de->inode = cpu_to_le32(dir_ino);  in ext4_rename_dir_finish()
3394 	BUFFER_TRACE(ent->dir_bh, "call ext4_handle_dirty_metadata");  in ext4_rename_dir_finish()
3395 	if (!ent->dir_inlined) {  in ext4_rename_dir_finish()
3396 		if (is_dx(ent->inode)) {  in ext4_rename_dir_finish()
3398 							   ent->inode,  in ext4_rename_dir_finish()
3399 							   ent->dir_bh);  in ext4_rename_dir_finish()
3402 							       ent->inode,  in ext4_rename_dir_finish()
3403 							       ent->dir_bh);  in ext4_rename_dir_finish()
3406 		retval = ext4_mark_inode_dirty(handle, ent->inode);  in ext4_rename_dir_finish()
3409 		ext4_std_error(ent->dir->i_sb, retval);  in ext4_rename_dir_finish()
3415 static int ext4_setent(handle_t *handle, struct ext4_renament *ent,  in ext4_setent()  argument
3420 	BUFFER_TRACE(ent->bh, "get write access");  in ext4_setent()
3421 	retval = ext4_journal_get_write_access(handle, ent->bh);  in ext4_setent()
3424 	ent->de->inode = cpu_to_le32(ino);  in ext4_setent()
3425 	if (EXT4_HAS_INCOMPAT_FEATURE(ent->dir->i_sb,  in ext4_setent()
3427 		ent->de->file_type = file_type;  in ext4_setent()
3428 	ent->dir->i_version++;  in ext4_setent()
3429 	ent->dir->i_ctime = ent->dir->i_mtime =  in ext4_setent()
3430 		ext4_current_time(ent->dir);  in ext4_setent()
3431 	ext4_mark_inode_dirty(handle, ent->dir);  in ext4_setent()
3432 	BUFFER_TRACE(ent->bh, "call ext4_handle_dirty_metadata");  in ext4_setent()
3433 	if (!ent->inlined) {  in ext4_setent()
3435 						       ent->dir, ent->bh);  in ext4_setent()
3437 			ext4_std_error(ent->dir->i_sb, retval);  in ext4_setent()
3441 	brelse(ent->bh);  in ext4_setent()
3442 	ent->bh = NULL;  in ext4_setent()
3464 static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_delete()  argument
3474 	if (le32_to_cpu(ent->de->inode) != ent->inode->i_ino ||  in ext4_rename_delete()
3475 	    ent->de->name_len != ent->dentry->d_name.len ||  in ext4_rename_delete()
3476 	    strncmp(ent->de->name, ent->dentry->d_name.name,  in ext4_rename_delete()
3477 		    ent->de->name_len) ||  in ext4_rename_delete()
3479 		retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3480 						&ent->dentry->d_name);  in ext4_rename_delete()
3482 		retval = ext4_delete_entry(handle, ent->dir, ent->de, ent->bh);  in ext4_rename_delete()
3484 			retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3485 							&ent->dentry->d_name);  in ext4_rename_delete()
3490 		ext4_warning(ent->dir->i_sb,  in ext4_rename_delete()
3492 				ent->dir->i_ino, ent->dir->i_nlink, retval);  in ext4_rename_delete()
3496 static void ext4_update_dir_count(handle_t *handle, struct ext4_renament *ent)  in ext4_update_dir_count()  argument
3498 	if (ent->dir_nlink_delta) {  in ext4_update_dir_count()
3499 		if (ent->dir_nlink_delta == -1)  in ext4_update_dir_count()
3500 			ext4_dec_count(handle, ent->dir);  in ext4_update_dir_count()
3502 			ext4_inc_count(handle, ent->dir);  in ext4_update_dir_count()
3503 		ext4_mark_inode_dirty(handle, ent->dir);  in ext4_update_dir_count()
3507 static struct inode *ext4_whiteout_for_rename(struct ext4_renament *ent,  in ext4_whiteout_for_rename()  argument
3518 	credits += (EXT4_MAXQUOTAS_TRANS_BLOCKS(ent->dir->i_sb) +  in ext4_whiteout_for_rename()
3521 	wh = ext4_new_inode_start_handle(ent->dir, S_IFCHR | WHITEOUT_MODE,  in ext4_whiteout_for_rename()
3522 					 &ent->dentry->d_name, 0, NULL,  in ext4_whiteout_for_rename()
3530 		    ext4_should_retry_alloc(ent->dir->i_sb, &retries))  in ext4_whiteout_for_rename()