From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kara Subject: [PATCH 05/17] ocfs2: Use __generic_file_aio_write instead of generic_file_aio_write_nolock Date: Fri, 21 Aug 2009 19:23:55 +0200 Message-ID: <1250875447-15622-6-git-send-email-jack@suse.cz> References: <1250875447-15622-1-git-send-email-jack@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-fsdevel@vger.kernel.org, Jan Kara , ocfs2-devel@oss.oracle.com To: LKML Return-path: In-Reply-To: <1250875447-15622-1-git-send-email-jack@suse.cz> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com List-Id: linux-fsdevel.vger.kernel.org Use the new helper. We have to submit data pages ourselves in case of O_SYNC write because __generic_file_aio_write does not do it for us. OCFS2 developpers might think about moving the sync out of i_mutex which seems to be easily possible but that's out of scope of this patch. CC: ocfs2-devel@oss.oracle.com CC: Joel Becker Signed-off-by: Jan Kara --- fs/ocfs2/file.c | 22 ++++++++++++---------- 1 files changed, 12 insertions(+), 10 deletions(-) diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 62442e4..1c71f0a 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1870,8 +1870,7 @@ relock: goto out_dio; } } else { - written = generic_file_aio_write_nolock(iocb, iov, nr_segs, - *ppos); + written = __generic_file_aio_write(iocb, iov, nr_segs, ppos); } out_dio: @@ -1879,18 +1878,21 @@ out_dio: BUG_ON(ret == -EIOCBQUEUED && !(file->f_flags & O_DIRECT)); if ((file->f_flags & O_SYNC && !direct_io) || IS_SYNC(inode)) { - /* - * The generic write paths have handled getting data - * to disk, but since we don't make use of the dirty - * inode list, a manual journal commit is necessary - * here. - */ - if (old_size != i_size_read(inode) || - old_clusters != OCFS2_I(inode)->ip_clusters) { + ret = filemap_fdatawrite_range(file->f_mapping, pos, + pos + count - 1); + if (ret < 0) + written = ret; + + if (!ret && (old_size != i_size_read(inode) || + old_clusters != OCFS2_I(inode)->ip_clusters)) { ret = jbd2_journal_force_commit(osb->journal->j_journal); if (ret < 0) written = ret; } + + if (!ret) + ret = filemap_fdatawait_range(file->f_mapping, pos, + pos + count - 1); } /* -- 1.6.0.2