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Re: [f2fs-dev] [PATCH 5/5] f2fs: avoid out-of-order execution of atomic writes

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  Re: [f2fs-dev] [PATCH 5/5] f2fs: avoid out-of-order execution of  atomic writes Chao Yu <yuchao0@huawei.com> - 2017-02-23 10:30 +0100

#1586771 — Re: [f2fs-dev] [PATCH 5/5] f2fs: avoid out-of-order execution of atomic writes

On 2017/2/4 7:48, Jaegeuk Kim wrote:
> We need to flush data writes before flushing last node block writes by using
> FUA with PREFLUSH. We don't need to guarantee precedent node writes since if
> those are not written, we can't reach to the last node block when scanning
> node block chain during roll-forward recovery.
> Afterwards f2fs_wait_on_page_writeback guarantees all the IO submission to
> disk, which builds a valid node block chain.
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

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