From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaegeuk Kim Subject: [PATCH 4/7] f2fs: report unwritten status in fsync_node_pages Date: Mon, 25 Apr 2016 17:06:57 -0700 Message-ID: <1461629220-16280-4-git-send-email-jaegeuk@kernel.org> References: <1461629220-16280-1-git-send-email-jaegeuk@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1auqWz-00052f-BM for linux-f2fs-devel@lists.sourceforge.net; Tue, 26 Apr 2016 00:07:09 +0000 Received: from mail.kernel.org ([198.145.29.136]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1auqWy-0004mS-Jk for linux-f2fs-devel@lists.sourceforge.net; Tue, 26 Apr 2016 00:07:09 +0000 In-Reply-To: <1461629220-16280-1-git-send-email-jaegeuk@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim The fsync_node_pages should return pass or failure so that user could know fsync is completed or not. Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 4 +++- fs/f2fs/node.c | 13 ++++++------- 2 files changed, 9 insertions(+), 8 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 3d53ee0..60fd64c 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -256,7 +256,9 @@ go_write: goto out; } sync_nodes: - fsync_node_pages(sbi, ino, &wbc); + ret = fsync_node_pages(sbi, ino, &wbc); + if (ret) + goto out; /* if cp_error was enabled, we should avoid infinite loop */ if (unlikely(f2fs_cp_error(sbi))) { diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 675b730..8a1e211 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1227,7 +1227,7 @@ int fsync_node_pages(struct f2fs_sb_info *sbi, nid_t ino, { pgoff_t index, end; struct pagevec pvec; - int nwritten = 0; + int ret = 0; pagevec_init(&pvec, 0); index = 0; @@ -1278,21 +1278,20 @@ continue_unlock: if (IS_INODE(page)) set_dentry_mark(page, need_dentry_mark(sbi, ino)); - nwritten++; - if (NODE_MAPPING(sbi)->a_ops->writepage(page, wbc)) + ret = NODE_MAPPING(sbi)->a_ops->writepage(page, wbc); + if (ret) { unlock_page(page); - - if (--wbc->nr_to_write == 0) break; + } } pagevec_release(&pvec); cond_resched(); - if (wbc->nr_to_write == 0) + if (ret) break; } - return nwritten; + return ret ? -EIO: 0; } int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc) -- 2.6.3 ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z