linux-kernel - Re: [PATCH] f2fs: multidevice: support direct IO

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Message-ID: <3c2646ae-138b-c0fe-a757-06ae16b31928@kernel.org>
Date:   Tue, 20 Jul 2021 09:25:10 +0800
From:   Chao Yu <chao@...nel.org>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <chao.yu@...ux.dev>
Subject: Re: [PATCH] f2fs: multidevice: support direct IO

On 2021/7/20 2:28, Jaegeuk Kim wrote:
> On 07/19, Chao Yu wrote:
>> Commit 3c62be17d4f5 ("f2fs: support multiple devices") missed
>> to support direct IO for multiple device feature, this patch
>> adds to support the missing part of multidevice feature.
>>
>> In addition, for multiple device image, we should be aware of
>> any issued direct write IO rather than just buffered write IO,
>> so that fsync and syncfs can issue a preflush command to the
>> device where direct write IO goes, to persist user data for
>> posix compliant.
> 
> Is this aligned to Eric's iomap work?

Will rebase to it soon, when would you plan to queue that iomap serial?

Thanks,