From patchwork Mon Feb 25 16:07:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Monakhov X-Patchwork-Id: 222954 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 5797C2C02AF for ; Tue, 26 Feb 2013 03:09:01 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759956Ab3BYQI7 (ORCPT ); Mon, 25 Feb 2013 11:08:59 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:40716 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759947Ab3BYQI4 (ORCPT ); Mon, 25 Feb 2013 11:08:56 -0500 Received: from mct-mail.qa.sw.ru ([10.29.1.112]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id r1PG7jt7007503; Mon, 25 Feb 2013 20:07:56 +0400 (MSK) From: Dmitry Monakhov To: linux-ext4@vger.kernel.org Cc: tytso@mit.edu, jack@suse.cz, wenqing.lz@taobao.com, Dmitry Monakhov Subject: [PATCH 4/5] ext4: remove unnecessary wait for extent conversion in ext4_fallocate() Date: Mon, 25 Feb 2013 20:07:42 +0400 Message-Id: <1361808463-25471-4-git-send-email-dmonakhov@openvz.org> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1361808463-25471-1-git-send-email-dmonakhov@openvz.org> References: <1361808463-25471-1-git-send-email-dmonakhov@openvz.org> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Jan Kara Now that we don't merge uninitialized extents anymore, ext4_fallocate() is free to operate on the inode while there are still some extent conversions pending - it won't disturb them in any way. Reviewed-by: Zheng Liu Reviewed-by: Dmitry Monakhov Signed-off-by: Jan Kara --- fs/ext4/extents.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 78c2a91..c89e850 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4391,8 +4391,6 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (len <= EXT_UNINIT_MAX_LEN << blkbits) flags |= EXT4_GET_BLOCKS_NO_NORMALIZE; - /* Prevent race condition between unwritten */ - ext4_flush_unwritten_io(inode); retry: while (ret >= 0 && ret < max_blocks) { map.m_lblk = map.m_lblk + ret;