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f2fs: add f2fs_bug_on in __remove_discard_cmd 

Recently, discard related codes have changed a lot, so add f2fs_bug_on to
detect potential bug.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2017-06-05 18:29:07 +08:00 committed by Jaegeuk Kim
parent 2a510c005c
commit d9703d9097
1 changed files with 2 additions and 0 deletions
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2
fs/f2fs/segment.c
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@ -739,6 +739,8 @@ static void __remove_discard_cmd(struct f2fs_sb_info *sbi,
{
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
f2fs_bug_on(sbi, dc->ref);
if (dc->error == -EOPNOTSUPP)
dc->error = 0;