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f2fs: compress: don't compress any datas after cp stop

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While compressed data writeback, we need to drop dirty pages like we did
for non-compressed pages if cp stops, however it's not needed to compress
any data in such case, so let's detect cp stop condition in
cluster_may_compress() to avoid redundant compressing and let following
f2fs_write_raw_pages() drops dirty pages correctly.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2020-05-26 09:55:02 +08:00 committed by Jaegeuk Kim
parent 47d0d7d764
commit dc35d73a42
1 changed files with 2 additions and 0 deletions
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fs/f2fs/compress.c
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@ -849,6 +849,8 @@ static bool cluster_may_compress(struct compress_ctx *cc)
return false;
if (!f2fs_cluster_is_full(cc))
return false;
if (unlikely(f2fs_cp_error(F2FS_I_SB(cc->inode))))
return false;
return __cluster_may_compress(cc);
}