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

From: Chao Yu
Date: Fri May 19 2017 - 11:49:09 EST


From: Chao Yu <yuchao0@xxxxxxxxxx>

Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
---
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