[XFS] Remove the one remaining, broken use of XFS_WRITEIO_LOG and

sanitize direct IO map blocks call.

SGI Modid: xfs-linux:xfs-kern:173562a
Signed-off-by: nathans@sgi.com

fs/xfs/linux-2.6/xfs_aops.c

@@ -172,28 +172,15 @@ xfs_map_blocks(
 	struct inode		*inode,
 	loff_t			offset,
 	ssize_t			count,
-	xfs_iomap_t		*iomapp,
+	xfs_iomap_t		*mapp,
 	int			flags)
 {
 	vnode_t			*vp = LINVFS_GET_VP(inode);
-	int			error, niomaps = 1;
-
-	if (((flags & (BMAPI_DIRECT|BMAPI_SYNC)) == BMAPI_DIRECT) &&
-	    (offset >= i_size_read(inode)))
-		count = max_t(ssize_t, count, XFS_WRITE_IO_LOG);
-retry:
-	VOP_BMAP(vp, offset, count, flags, iomapp, &niomaps, error);
-	if ((error == EAGAIN) || (error == EIO))
-		return -error;
-	if (unlikely((flags & (BMAPI_WRITE|BMAPI_DIRECT)) ==
-					(BMAPI_WRITE|BMAPI_DIRECT) && niomaps &&
-					(iomapp->iomap_flags & IOMAP_DELAY))) {
-		flags = BMAPI_ALLOCATE;
-		goto retry;
-	}
-	if (flags & (BMAPI_WRITE|BMAPI_ALLOCATE)) {
+	int			error, nmaps = 1;
+
+	VOP_BMAP(vp, offset, count, flags, mapp, &nmaps, error);
+	if (!error && (flags & (BMAPI_WRITE|BMAPI_ALLOCATE)))
 		VMODIFY(vp);
-	}
 	return -error;
 }
 

fs/xfs/xfs_mount.h

 /*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
@@ -424,10 +424,6 @@ typedef struct xfs_mount {
  */
 #define XFS_READIO_LOG_LARGE	16
 #define XFS_WRITEIO_LOG_LARGE	16
-/*
- * Default allocation size
- */
-#define XFS_WRITE_IO_LOG	16
 
 /*
  * Max and min values for UIO and mount-option defined I/O sizes;