From: Christoph Hellwig <hch@infradead.org>
To: Andreas Hindborg <nmi@metaspace.dk>
Cc: Damien Le Moal <dlemoal@kernel.org>,
"open list:ZONEFS FILESYSTEM" <linux-fsdevel@vger.kernel.org>,
gost.dev@samsung.com, Andreas Hindborg <a.hindborg@samsung.com>,
Naohiro Aota <naohiro.aota@wdc.com>,
Johannes Thumshirn <jth@kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] zonefs: do not use append if device does not support it
Date: Mon, 26 Jun 2023 20:45:21 -0700 [thread overview]
Message-ID: <ZJpbUShJUL788r7u@infradead.org> (raw)
In-Reply-To: <20230626164752.1098394-1-nmi@metaspace.dk>
On Mon, Jun 26, 2023 at 06:47:52PM +0200, Andreas Hindborg wrote:
> From: "Andreas Hindborg (Samsung)" <nmi@metaspace.dk>
>
> Zonefs will try to use `zonefs_file_dio_append()` for direct sync writes even if
> device `max_zone_append_sectors` is zero. This will cause the IO to fail as the
> io vector is truncated to zero. It also causes a call to
> `invalidate_inode_pages2_range()` with end set to UINT_MAX, which is probably
> not intentional. Thus, do not use append when device does not support it.
How do you even manage to hit this code? Zone Append is a mandatory
feature and driver need to check it is available.
next prev parent reply other threads:[~2023-06-27 3:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-26 16:47 [PATCH] zonefs: do not use append if device does not support it Andreas Hindborg
2023-06-26 17:54 ` Johannes Thumshirn
2023-06-26 18:23 ` Andreas Hindborg (Samsung)
2023-06-27 0:21 ` Damien Le Moal
2023-06-27 5:45 ` Andreas Hindborg (Samsung)
2023-06-27 3:45 ` Christoph Hellwig [this message]
2023-06-27 4:45 ` Damien Le Moal
2023-06-27 4:48 ` Christoph Hellwig
2023-06-27 4:50 ` Damien Le Moal
2023-06-27 5:14 ` Andreas Hindborg (Samsung)
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