Index: linux-2.6.35-rc3-fast/include/linux/blkdev.h
===================================================================
--- linux-2.6.35-rc3-fast.orig/include/linux/blkdev.h	2010-07-02 21:59:21.000000000 +0200
+++ linux-2.6.35-rc3-fast/include/linux/blkdev.h	2010-07-02 21:59:37.000000000 +0200
@@ -1021,7 +1021,7 @@ static inline int sb_issue_discard(struc
 	block <<= (sb->s_blocksize_bits - 9);
 	nr_blocks <<= (sb->s_blocksize_bits - 9);
 	return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL,
-				   BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+				   BLKDEV_IFL_WAIT);
 }
 
 extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);