From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: [PATCH 11/15] fat: do not send discards as barriers
Date: Wed, 18 Aug 2010 05:29:19 -0400
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	linux-fsdevel@vger.kernel.org
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fat already uses synchronous discards, no need to add I/O barriers.

Signed-off-by: Christoph Hellwig <hch@lst.de>

Index: linux-2.6/fs/fat/fatent.c
===================================================================
--- linux-2.6.orig/fs/fat/fatent.c	2010-08-17 16:49:12.976253898 +0200
+++ linux-2.6/fs/fat/fatent.c	2010-08-17 16:49:17.378285050 +0200
@@ -579,7 +579,7 @@ int fat_free_clusters(struct inode *inod
 					fat_clus_to_blknr(sbi, first_cl),
 					nr_clus * sbi->sec_per_clus,
 					GFP_NOFS,
-					BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+					BLKDEV_IFL_WAIT);
 
 				first_cl = cluster;
 			}