xfs: remove IO_ISAIO

We set the IO_ISAIO flag for all read/write I/O since early Linux
2.6.x.  Remove it as it has lost it's purpose long ago.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Alex Elder <aelder@sgi.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 072050f8d346..78dbfcd5eec2 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -255,8 +255,6 @@ xfs_read(
 
         iocb->ki_pos = *offset;
         ret = generic_file_aio_read(iocb, iovp, segs, *offset);
-        if (ret == -EIOCBQUEUED && !(ioflags & IO_ISAIO))
-                ret = wait_on_sync_kiocb(iocb);
         if (ret > 0)
                 XFS_STATS_ADD(xs_read_bytes, ret);
 
@@ -774,9 +772,6 @@ write_retry:
 
         current->backing_dev_info = NULL;
 
-        if (ret == -EIOCBQUEUED && !(ioflags & IO_ISAIO))
-                ret = wait_on_sync_kiocb(iocb);
-
         isize = i_size_read(inode);
         if (unlikely(ret < 0 && ret != -EFAULT && *offset > isize))
                 *offset = isize;