From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kara Subject: [PATCH 4/4] btrfs: Use generic handlers of O_SYNC AIO DIO Date: Fri, 10 Feb 2012 17:04:02 +0100 Message-ID: <1328889842-23231-5-git-send-email-jack@suse.cz> References: <1328889842-23231-1-git-send-email-jack@suse.cz> Cc: linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, xfs@oss.sgi.com, Christoph Hellwig , linux-fsdevel@vger.kernel.org, cluster-devel@redhat.com, LKML , Jan Kara To: Jeff Moyer Return-path: In-Reply-To: <1328889842-23231-1-git-send-email-jack@suse.cz> Sender: linux-btrfs-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org Use generic handlers to queue fsync() when AIO DIO is completed for O_SYNC file. Although we use our own bio->end_io function, we call dio_end_io() from it and thus, because we don't set any specific dio->end_io function, generic code ends up calling generic_dio_end_io() which is all what we need for proper O_SYNC AIO DIO handling. Signed-off-by: Jan Kara --- fs/btrfs/inode.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 32214fe..68add6e 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6221,7 +6221,7 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb, ret = __blockdev_direct_IO(rw, iocb, inode, BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev, iov, offset, nr_segs, btrfs_get_blocks_direct, NULL, - btrfs_submit_direct, 0); + btrfs_submit_direct, DIO_SYNC_WRITES); if (ret < 0 && ret != -EIOCBQUEUED) { clear_extent_bit(&BTRFS_I(inode)->io_tree, offset, -- 1.7.1