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From: Chao Yu <chao@kernel.org>
To: Wenjie Qi <qwjhust@gmail.com>, jaegeuk@kernel.org
Cc: chao@kernel.org, linux-f2fs-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org, qiwenjie@xiaomi.com
Subject: Re: [PATCH v2] f2fs: reject setattr size changes on large folio files
Date: Mon, 15 Jun 2026 11:27:53 +0800	[thread overview]
Message-ID: <fd4d8227-6de7-4625-83ac-c2253b0fbe26@kernel.org> (raw)
In-Reply-To: <20260610143735.3169935-1-qiwenjie@xiaomi.com>

On 6/10/26 22:37, Wenjie Qi wrote:
> F2FS large folios are only enabled for immutable non-compressed files.
> Writable open and writable mmap reject such mappings, but truncate(2)
> through f2fs_setattr() misses the same guard.
> 
> If FS_IMMUTABLE_FL is cleared while the inode is still cached, the mapping
> can keep large-folio support and ATTR_SIZE can change i_size. Reject size
> changes in that state.
> 

Cc: stable@kernel.org

> Fixes: 05e65c14ea59 ("f2fs: support large folio for immutable non-compressed case")
> Signed-off-by: Wenjie Qi <qiwenjie@xiaomi.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

  reply	other threads:[~2026-06-15  3:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-10 14:37 Wenjie Qi
2026-06-15  3:27 ` Chao Yu [this message]
2026-06-16  2:50 ` [f2fs-dev] " patchwork-bot+f2fs

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