From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Chao Yu <chao@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH 3/6] f2fs: do not expose unwritten blocks to user by DIO
Date: Wed, 5 Jan 2022 10:25:35 -0800 [thread overview]
Message-ID: <YdXin0epwgAX295L@google.com> (raw)
In-Reply-To: <a2036978-81f9-fad4-90ce-15dadf048693@kernel.org>
On 01/05, Chao Yu wrote:
> On 2022/1/5 5:24, Jaegeuk Kim wrote:
> > DIO preallocates physical blocks before writing data, but if an error occurrs
> > or power-cut happens, we can see block contents from the disk. This patch tries
> > to fix it by 1) turning to buffered writes for DIO into holes, 2) truncating
> > unwritten blocks from error or power-cut.
> >
> > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
>
> Reviewed-by: Chao Yu <chao@kernel.org>
Thank you for the review tho, I can't ruin the one month git history. Please
chime in if there's any bug in the patch.
>
> Thanks,
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next prev parent reply other threads:[~2022-01-05 18:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-04 21:24 [f2fs-dev] [PATCH 1/6] f2fs: rework write preallocations Jaegeuk Kim
2022-01-04 21:24 ` [f2fs-dev] [PATCH 2/6] f2fs: reduce indentation in f2fs_file_write_iter() Jaegeuk Kim
2022-01-04 21:24 ` [f2fs-dev] [PATCH 3/6] f2fs: do not expose unwritten blocks to user by DIO Jaegeuk Kim
2022-01-05 13:19 ` Chao Yu
2022-01-05 18:25 ` Jaegeuk Kim [this message]
2022-01-07 23:13 ` Eric Biggers
2022-01-08 1:52 ` Jaegeuk Kim
2022-01-08 2:21 ` Eric Biggers
2022-01-08 3:35 ` Jaegeuk Kim
2022-01-08 4:21 ` Eric Biggers
2022-01-04 21:24 ` [f2fs-dev] [PATCH 4/6] f2fs: fix the f2fs_file_write_iter tracepoint Jaegeuk Kim
2022-01-04 21:24 ` [f2fs-dev] [PATCH 5/6] f2fs: implement iomap operations Jaegeuk Kim
2022-01-05 13:20 ` Chao Yu
2022-01-05 18:25 ` Jaegeuk Kim
2022-01-04 21:24 ` [f2fs-dev] [PATCH 6/6] f2fs: use iomap for direct I/O Jaegeuk Kim
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