From e045db80d07250312500b2ed707b84dc703189d6 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 18 Aug 2010 05:29:19 -0400
Subject: [PATCH] fat: do not send discards as barriers

fat already uses synchronous discards, no need to add I/O barriers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---
 fs/fat/fatent.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 3a56a82f5658..f9a0b7ae8648 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -579,7 +579,7 @@ int fat_free_clusters(struct inode *inode, int cluster)
 					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;
 			}
-- 
2.39.5