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>

3 files changed, 2 insertions, 8 deletions

diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index eff61e2732af..e4caeb28ce2e 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -52,7 +52,7 @@ xfs_file_aio_read(
         loff_t                  pos)
 {
         struct file             *file = iocb->ki_filp;
-        int                     ioflags = IO_ISAIO;
+        int                     ioflags = 0;
 
         BUG_ON(iocb->ki_pos != pos);
         if (unlikely(file->f_flags & O_DIRECT))
@@ -71,7 +71,7 @@ xfs_file_aio_write(
         loff_t                  pos)
 {
         struct file             *file = iocb->ki_filp;
-        int                     ioflags = IO_ISAIO;
+        int                     ioflags = 0;
 
         BUG_ON(iocb->ki_pos != pos);
         if (unlikely(file->f_flags & O_DIRECT))
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;
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index ad7fbead4c97..00cabf5354d2 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -36,7 +36,6 @@ struct attrlist_cursor_kern;
 /*
  * Flags for read/write calls - same values as IRIX
  */
-#define IO_ISAIO        0x00001         /* don't wait for completion */
 #define IO_ISDIRECT     0x00004         /* bypass page cache */
 #define IO_INVIS        0x00020         /* don't update inode timestamps */