linux-kernel - [PATCH 1/3] f2fs: show more info if fail to issue discard

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Message-Id: <20170519154645.20121-1-chao@kernel.org>
Date:   Fri, 19 May 2017 23:46:43 +0800
From:   Chao Yu <chao@...nel.org>
To:     jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <yuchao0@...wei.com>
Subject: [PATCH 1/3] f2fs: show more info if fail to issue discard

From: Chao Yu <yuchao0@...wei.com>

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fs/f2fs/segment.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a29919330e27..d310b82caef1 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -740,7 +740,8 @@ static void __remove_discard_cmd(struct f2fs_sb_info *sbi,
 
 	if (dc->error)
 		f2fs_msg(sbi->sb, KERN_INFO,
-				"Issue discard failed, ret: %d", dc->error);
+			"Issue discard(%u, %u, %u) failed, ret: %d",
+			dc->lstart, dc->start, dc->len, dc->error);
 	__detach_discard_cmd(dcc, dc);
 }
 
-- 
2.12.2.575.gb14f27f