From: Chao Yu <chao@kernel.org>
To: jaegeuk@kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, Chao Yu <yuchao0@huawei.com>
Subject: [PATCH 1/5] f2fs: detect bug_on in f2fs_wait_discard_bios
Date: Sun, 8 Jul 2018 22:16:53 +0800 [thread overview]
Message-ID: <20180708141657.24641-1-chao@kernel.org> (raw)
From: Chao Yu <yuchao0@huawei.com>
Add bug_on to detect potential non-empty discard wait list.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
fs/f2fs/segment.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index cbf8f3f9a8e7..e55188975fcc 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1495,6 +1495,8 @@ bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
/* just to make sure there is no pending discard commands */
__wait_all_discard_cmd(sbi, NULL);
+
+ f2fs_bug_on(sbi, atomic_read(&dcc->discard_cmd_cnt));
return dropped;
}
--
2.16.2.17.g38e79b1fd
next reply other threads:[~2018-07-08 14:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-08 14:16 Chao Yu [this message]
2018-07-08 14:16 ` [PATCH 2/5] f2fs: clean up with IS_INODE() Chao Yu
2018-07-08 14:16 ` [PATCH 3/5] f2fs: fix to do sanity check with i_extra_isize Chao Yu
2018-07-08 14:16 ` Chao Yu
2018-07-08 14:16 ` [PATCH 4/5] f2fs: fix to do sanity check with cp_pack_start_sum Chao Yu
2018-07-08 14:16 ` Chao Yu
2018-07-08 14:16 ` [PATCH 5/5] f2fs: fix to propagate error from __get_meta_page() Chao Yu
2018-07-08 14:16 ` Chao Yu
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