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From: Jens Axboe <axboe@kernel.dk>
To: Chao Yu <chao@kernel.org>, jaegeuk@kernel.org
Cc: Qi Han <hanqi@vivo.com>,
	linux-kernel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: fix to return -EOPNOTSUPP for uncached write
Date: Tue, 5 Aug 2025 09:37:44 -0600	[thread overview]
Message-ID: <587aaee2-8d84-4eb5-9b87-22947abd0752@kernel.dk> (raw)
In-Reply-To: <20250805061914.3067747-1-chao@kernel.org>

On 8/5/25 12:19 AM, Chao Yu wrote:
> f2fs doesn't support uncached write yet, for write() w/ IOCB_DONTCACHE
> flag, let's return -EOPNOTSUPP instead of ignoring IOCB_DONTCACHE flag
> and write w/o uncached IO.

Didn't we agree that write support should be pursued first before
bifurcating the read/write DONTCACHE support?

-- 
Jens Axboe


_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

WARNING: multiple messages have this Message-ID (diff)
From: Jens Axboe <axboe@kernel.dk>
To: Chao Yu <chao@kernel.org>, jaegeuk@kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org, Qi Han <hanqi@vivo.com>
Subject: Re: [PATCH v2] f2fs: fix to return -EOPNOTSUPP for uncached write
Date: Tue, 5 Aug 2025 09:37:44 -0600	[thread overview]
Message-ID: <587aaee2-8d84-4eb5-9b87-22947abd0752@kernel.dk> (raw)
In-Reply-To: <20250805061914.3067747-1-chao@kernel.org>

On 8/5/25 12:19 AM, Chao Yu wrote:
> f2fs doesn't support uncached write yet, for write() w/ IOCB_DONTCACHE
> flag, let's return -EOPNOTSUPP instead of ignoring IOCB_DONTCACHE flag
> and write w/o uncached IO.

Didn't we agree that write support should be pursued first before
bifurcating the read/write DONTCACHE support?

-- 
Jens Axboe

  reply	other threads:[~2025-08-05 15:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-05  6:19 [f2fs-dev] [PATCH v2] f2fs: fix to return -EOPNOTSUPP for uncached write Chao Yu via Linux-f2fs-devel
2025-08-05  6:19 ` Chao Yu
2025-08-05 15:37 ` Jens Axboe [this message]
2025-08-05 15:37   ` Jens Axboe
2025-08-06  1:51   ` [f2fs-dev] " Chao Yu via Linux-f2fs-devel
2025-08-06  1:51     ` Chao Yu

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