[PATCH 7 of 8] Adapt XFS to the new blockdev_direct_IO calls

[Chris Mason <chris.mason@oracle.com>]

XFS is changed to use blockdev_direct_IO flags instead of DIO_OWN_LOCKING.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff -r 5a06df98f46d -r 3bd838f3dc06 fs/xfs/linux-2.6/xfs_aops.c
--- a/fs/xfs/linux-2.6/xfs_aops.c	Thu Dec 21 15:31:31 2006 -0500
+++ b/fs/xfs/linux-2.6/xfs_aops.c	Thu Dec 21 15:31:31 2006 -0500
@@ -1392,19 +1392,16 @@ xfs_vm_direct_IO(
 
 	iocb->private = xfs_alloc_ioend(inode, IOMAP_UNWRITTEN);
 
-	if (rw == WRITE) {
-		ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
-			iomap.iomap_target->bt_bdev,
-			iov, offset, nr_segs,
-			xfs_get_blocks_direct,
-			xfs_end_io_direct);
-	} else {
-		ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
-			iomap.iomap_target->bt_bdev,
-			iov, offset, nr_segs,
-			xfs_get_blocks_direct,
-			xfs_end_io_direct);
-	}
+	/*
+	 * ask DIO not to do any special locking for us, and to always
+	 * pass create=1 to get_block on writes
+	 */
+	ret = blockdev_direct_IO_flags(rw, iocb, inode,
+				       iomap.iomap_target->bt_bdev,
+				       iov, offset, nr_segs,
+				       xfs_get_blocks_direct,
+				       xfs_end_io_direct,
+				       DIO_CREATE);
 
 	if (unlikely(ret != -EIOCBQUEUED && iocb->private))
 		xfs_destroy_ioend(iocb->private);