Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH 1/5] f2fs: detect bug_on in f2fs_wait_discard_bios | Date | Sun, 8 Jul 2018 22:16:53 +0800 |
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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
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