[PATCH]loop: fix loop block driver comment

[Dave Young]

loop driver do not support discard if encryption is enabled, fix the comment.

Signed-off-by: Dave Young <dyoung@xxxxxxxxxx>
---
 drivers/block/loop.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.orig/drivers/block/loop.c	2011-11-21 17:24:16.000000000 +0800
+++ linux-2.6/drivers/block/loop.c	2011-11-25 16:25:42.075280030 +0800
@@ -422,7 +422,7 @@ static int do_bio_filebacked(struct loop
 
 		/*
 		 * We use punch hole to reclaim the free space used by the
-		 * image a.k.a. discard. However we do support discard if
+		 * image a.k.a. discard. However we do not support discard if
 		 * encryption is enabled, because it may give an attacker
 		 * useful information.
 		 */
--
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