linux-kernel - Re: [PATCH v2] f2fs: fix to return -EOPNOTSUPP for uncached write

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <587aaee2-8d84-4eb5-9b87-22947abd0752@kernel.dk>
Date: Tue, 5 Aug 2025 09:37:44 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Chao Yu <chao@...nel.org>, jaegeuk@...nel.org
Cc: linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
 Qi Han <hanqi@...o.com>
Subject: Re: [PATCH v2] f2fs: fix to return -EOPNOTSUPP for uncached write

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