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H A Df2fs.hdiff 9720ee80aa183c6463b3e8c68f51eb979583d0ea Wed Aug 28 04:33:37 CDT 2019 Chao Yu <yuchao0@huawei.com> f2fs: fix to fallback to buffered IO in IO aligned mode

In LFS mode, we allow OPU for direct IO, however, we didn't consider
IO alignment feature, so direct IO can trigger unaligned IO, let's
just fallback to buffered IO to keep correct IO alignment semantics
in all places.

Fixes: f847c699cff3 ("f2fs: allow out-place-update for direct IO in LFS mode")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>