3 files changed, 17 insertions, 20 deletions

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 31269cbd5e1..43f5a75fc3c 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -107,6 +107,18 @@ xfs_page_trace(
 #define xfs_page_trace(tag, inode, page, pgoff)
 #endif
 
+STATIC struct block_device *
+xfs_find_bdev_for_inode(
+	struct xfs_inode	*ip)
+{
+	struct xfs_mount	*mp = ip->i_mount;
+
+	if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
+		return mp->m_rtdev_targp->bt_bdev;
+	else
+		return mp->m_ddev_targp->bt_bdev;
+}
+
 /*
  * Schedule IO completion handling on a xfsdatad if this was
  * the final hold on this ioend. If we are asked to wait,
@@ -1471,28 +1483,21 @@ xfs_vm_direct_IO(
 {
 	struct file	*file = iocb->ki_filp;
 	struct inode	*inode = file->f_mapping->host;
-	xfs_iomap_t	iomap;
-	int		maps = 1;
-	int		error;
+	struct block_device *bdev;
 	ssize_t		ret;
 
-	error = xfs_bmap(XFS_I(inode), offset, 0,
-				BMAPI_DEVICE, &iomap, &maps);
-	if (error)
-		return -error;
+	bdev = xfs_find_bdev_for_inode(XFS_I(inode));
 
 	if (rw == WRITE) {
 		iocb->private = xfs_alloc_ioend(inode, IOMAP_UNWRITTEN);
 		ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
-			iomap.iomap_target->bt_bdev,
-			iov, offset, nr_segs,
+			bdev, iov, offset, nr_segs,
 			xfs_get_blocks_direct,
 			xfs_end_io_direct);
 	} else {
 		iocb->private = xfs_alloc_ioend(inode, IOMAP_READ);
 		ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
-			iomap.iomap_target->bt_bdev,
-			iov, offset, nr_segs,
+			bdev, iov, offset, nr_segs,
 			xfs_get_blocks_direct,
 			xfs_end_io_direct);
 	}
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 72786e356d5..58cda06a184 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -193,7 +193,7 @@ xfs_iomap(
 
 	switch (flags &
 		(BMAPI_READ | BMAPI_WRITE | BMAPI_ALLOCATE |
-		 BMAPI_UNWRITTEN | BMAPI_DEVICE)) {
+		 BMAPI_UNWRITTEN)) {
 	case BMAPI_READ:
 		xfs_iomap_enter_trace(XFS_IOMAP_READ_ENTER, io, offset, count);
 		lockmode = XFS_LCK_MAP_SHARED(mp, io);
@@ -220,13 +220,6 @@ xfs_iomap(
 		break;
 	case BMAPI_UNWRITTEN:
 		goto phase2;
-	case BMAPI_DEVICE:
-		lockmode = XFS_LCK_MAP_SHARED(mp, io);
-		iomapp->iomap_target = io->io_flags & XFS_IOCORE_RT ?
-			mp->m_rtdev_targp : mp->m_ddev_targp;
-		error = 0;
-		*niomaps = 1;
-		goto out;
 	default:
 		BUG();
 	}
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index f5c09887fe9..2b94874e92d 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -43,7 +43,6 @@ typedef enum {
 	BMAPI_MMAP = (1 << 6),		/* allocate for mmap write */
 	BMAPI_SYNC = (1 << 7),		/* sync write to flush delalloc space */
 	BMAPI_TRYLOCK = (1 << 8),	/* non-blocking request */
-	BMAPI_DEVICE = (1 << 9),	/* we only want to know the device */
 } bmapi_flags_t;