From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Moyer Subject: [PATCH 4/7] btrfs: Use generic handlers of O_SYNC AIO DIO Date: Thu, 29 Mar 2012 18:05:02 -0400 Message-ID: <1333058705-31512-5-git-send-email-jmoyer@redhat.com> References: <1333058705-31512-1-git-send-email-jmoyer@redhat.com> Cc: linux-ext4@vger.kernel.org, xfs@oss.sgi.com, jack@suse.cz, hch@infradead.org, Jeff Moyer To: linux-fsdevel@vger.kernel.org Return-path: In-Reply-To: <1333058705-31512-1-git-send-email-jmoyer@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org From: Jan Kara 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 Signed-off-by: Jeff Moyer --- 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 3a0b5c1..5cb3e22 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6249,7 +6249,7 @@ 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