3299 static int ext4_rename_dir_prepare(handle_t *handle, struct ext4_renament *ent)  in ext4_rename_dir_prepare()  argument
3303 	ent->dir_bh = ext4_get_first_dir_block(handle, ent->inode,  in ext4_rename_dir_prepare()
3304 					      &retval, &ent->parent_de,  in ext4_rename_dir_prepare()
3305 					      &ent->dir_inlined);  in ext4_rename_dir_prepare()
3306 	if (!ent->dir_bh)  in ext4_rename_dir_prepare()
3308 	if (le32_to_cpu(ent->parent_de->inode) != ent->dir->i_ino)  in ext4_rename_dir_prepare()
3310 	BUFFER_TRACE(ent->dir_bh, "get_write_access");  in ext4_rename_dir_prepare()
3311 	return ext4_journal_get_write_access(handle, ent->dir_bh);  in ext4_rename_dir_prepare()
3314 static int ext4_rename_dir_finish(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_dir_finish()  argument
3319 	ent->parent_de->inode = cpu_to_le32(dir_ino);  in ext4_rename_dir_finish()
3320 	BUFFER_TRACE(ent->dir_bh, "call ext4_handle_dirty_metadata");  in ext4_rename_dir_finish()
3321 	if (!ent->dir_inlined) {  in ext4_rename_dir_finish()
3322 		if (is_dx(ent->inode)) {  in ext4_rename_dir_finish()
3324 							   ent->inode,  in ext4_rename_dir_finish()
3325 							   ent->dir_bh);  in ext4_rename_dir_finish()
3328 							       ent->inode,  in ext4_rename_dir_finish()
3329 							       ent->dir_bh);  in ext4_rename_dir_finish()
3332 		retval = ext4_mark_inode_dirty(handle, ent->inode);  in ext4_rename_dir_finish()
3335 		ext4_std_error(ent->dir->i_sb, retval);  in ext4_rename_dir_finish()
3341 static int ext4_setent(handle_t *handle, struct ext4_renament *ent,  in ext4_setent()  argument
3346 	BUFFER_TRACE(ent->bh, "get write access");  in ext4_setent()
3347 	retval = ext4_journal_get_write_access(handle, ent->bh);  in ext4_setent()
3350 	ent->de->inode = cpu_to_le32(ino);  in ext4_setent()
3351 	if (ext4_has_feature_filetype(ent->dir->i_sb))  in ext4_setent()
3352 		ent->de->file_type = file_type;  in ext4_setent()
3353 	ent->dir->i_version++;  in ext4_setent()
3354 	ent->dir->i_ctime = ent->dir->i_mtime =  in ext4_setent()
3355 		ext4_current_time(ent->dir);  in ext4_setent()
3356 	ext4_mark_inode_dirty(handle, ent->dir);  in ext4_setent()
3357 	BUFFER_TRACE(ent->bh, "call ext4_handle_dirty_metadata");  in ext4_setent()
3358 	if (!ent->inlined) {  in ext4_setent()
3360 						       ent->dir, ent->bh);  in ext4_setent()
3362 			ext4_std_error(ent->dir->i_sb, retval);  in ext4_setent()
3366 	brelse(ent->bh);  in ext4_setent()
3367 	ent->bh = NULL;  in ext4_setent()
3389 static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent,  in ext4_rename_delete()  argument
3399 	if (le32_to_cpu(ent->de->inode) != ent->inode->i_ino ||  in ext4_rename_delete()
3400 	    ent->de->name_len != ent->dentry->d_name.len ||  in ext4_rename_delete()
3401 	    strncmp(ent->de->name, ent->dentry->d_name.name,  in ext4_rename_delete()
3402 		    ent->de->name_len) ||  in ext4_rename_delete()
3404 		retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3405 						&ent->dentry->d_name);  in ext4_rename_delete()
3407 		retval = ext4_delete_entry(handle, ent->dir, ent->de, ent->bh);  in ext4_rename_delete()
3409 			retval = ext4_find_delete_entry(handle, ent->dir,  in ext4_rename_delete()
3410 							&ent->dentry->d_name);  in ext4_rename_delete()
3415 		ext4_warning_inode(ent->dir,  in ext4_rename_delete()
3417 				   ent->dir->i_nlink, retval);  in ext4_rename_delete()
3421 static void ext4_update_dir_count(handle_t *handle, struct ext4_renament *ent)  in ext4_update_dir_count()  argument
3423 	if (ent->dir_nlink_delta) {  in ext4_update_dir_count()
3424 		if (ent->dir_nlink_delta == -1)  in ext4_update_dir_count()
3425 			ext4_dec_count(handle, ent->dir);  in ext4_update_dir_count()
3427 			ext4_inc_count(handle, ent->dir);  in ext4_update_dir_count()
3428 		ext4_mark_inode_dirty(handle, ent->dir);  in ext4_update_dir_count()
3432 static struct inode *ext4_whiteout_for_rename(struct ext4_renament *ent,  in ext4_whiteout_for_rename()  argument
3443 	credits += (EXT4_MAXQUOTAS_TRANS_BLOCKS(ent->dir->i_sb) +  in ext4_whiteout_for_rename()
3446 	wh = ext4_new_inode_start_handle(ent->dir, S_IFCHR | WHITEOUT_MODE,  in ext4_whiteout_for_rename()
3447 					 &ent->dentry->d_name, 0, NULL,  in ext4_whiteout_for_rename()
3455 		    ext4_should_retry_alloc(ent->dir->i_sb, &retries))  in ext4_whiteout_for_rename()