linux-kernel - [PATCH 1/3] f2fs: disable the discard option when device does not support

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Message-Id: <1431402528-24156-1-git-send-email-jaegeuk@kernel.org>
Date:	Mon, 11 May 2015 20:48:46 -0700
From:	Jaegeuk Kim <jaegeuk@...nel.org>
To:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Cc:	Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 1/3] f2fs: disable the discard option when device does not support

This patch disables given discard option when device does not support it.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index bd8a405..19438f2 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1186,6 +1186,7 @@ try_onemore:
 			f2fs_msg(sb, KERN_WARNING,
 					"mounting with \"discard\" option, but "
 					"the device does not support discard");
+		clear_opt(sbi, DISCARD);
 	}
 
 	sbi->s_kobj.kset = f2fs_kset;
-- 
2.1.1

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