From: Christoph Hellwig <hch@infradead.org>
To: Yi Xie <xieyi@kylinos.cn>
Cc: axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] io_uring/sync: check unused sqe fields for fallocate
Date: Mon, 20 Jul 2026 01:23:06 -0700 [thread overview]
Message-ID: <al3a6tHCjwulnrog@infradead.org> (raw)
In-Reply-To: <20260717021312.50558-1-xieyi@kylinos.cn>
On Fri, Jul 17, 2026 at 10:13:12AM +0800, Yi Xie wrote:
> Zero check unused SQE fields addr3 and pad2 for fallocate. They're
> not needed now, but could be used sometime in the future.
This is the right thing to do for a newly added command. But
d63d1b5edb7b8 has been around more than 6 years, it's too late now
as old kernels won't have this check, so you can't ever use it for
new features.
prev parent reply other threads:[~2026-07-20 8:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-17 2:13 [PATCH] io_uring/sync: check unused sqe fields for fallocate Yi Xie
2026-07-20 8:23 ` Christoph Hellwig [this message]
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