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From: Christoph Hellwig <hch@lst.de>
To: Anders Larsen <al@alarsen.net>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
	Christian Brauner <brauner@kernel.org>,
	Christoph Hellwig <hch@lst.de>, Jan Kara <jack@suse.cz>,
	David Sterba <dsterba@suse.com>,
	Luis de Bethencourt <luisbg@kernel.org>,
	Salah Triki <salah.triki@gmail.com>,
	"Tigran A. Aivazian" <aivazian.tigran@gmail.com>,
	Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>,
	Dave Kleikamp <shaggy@kernel.org>,
	Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
	Bob Copeland <me@bobcopeland.com>,
	linux-fsdevel@vger.kernel.org,
	jfs-discussion@lists.sourceforge.net, ntfs3@lists.linux.dev,
	linux-karma-devel@lists.sourceforge.net
Subject: Re: [PATCH 03/10] qnx4: handle set_blocksize failures
Date: Mon, 11 May 2026 09:45:56 +0200	[thread overview]
Message-ID: <20260511074556.GA28186@lst.de> (raw)
In-Reply-To: <12893675.O9o76ZdvQC@oscar>

On Mon, May 11, 2026 at 09:42:49AM +0200, Anders Larsen wrote:
> Hi,
> 
> On 2026-05-11 09:16 Christoph Hellwig wrote:
> > qnx4 uses buffer_heads, which don't handle block size > PAGE_SIZE well.
> 
> qnx4fs uses a fixed block size of 512 bytes, so this will never happen.
> 
> > -	sb_set_blocksize(s, QNX4_BLOCK_SIZE);
> > +	if (!sb_set_blocksize(s, QNX4_BLOCK_SIZE))
> > +		return -EINVAL;
> 
> QNX4_BLOCK_SIZE is a constant (512)...

Yes, which means that sb_set_blocksize fails when the device has an LBA
size larger than 512 bytes, and this failure should be handled.


  reply	other threads:[~2026-05-11  7:46 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-11  7:16 fix crashes when mounting legacy file system with sector size > PAGE_SIZE Christoph Hellwig
2026-05-11  7:16 ` [PATCH 01/10] bfs: handle set_blocksize failures Christoph Hellwig
2026-05-11 16:10   ` Jan Kara
2026-05-11  7:16 ` [PATCH 02/10] hpfs: " Christoph Hellwig
2026-05-11  7:16 ` [PATCH 03/10] qnx4: " Christoph Hellwig
2026-05-11  7:42   ` Anders Larsen
2026-05-11  7:45     ` Christoph Hellwig [this message]
2026-05-11  8:20       ` Anders Larsen
2026-05-11  7:16 ` [PATCH 04/10] jfs: " Christoph Hellwig
2026-05-11  7:16 ` [PATCH 05/10] befs: " Christoph Hellwig
2026-05-11  7:16 ` [PATCH 06/10] affs: " Christoph Hellwig
2026-05-11  7:16 ` [PATCH 07/10] isofs: " Christoph Hellwig
2026-05-11 16:10   ` Jan Kara
2026-05-11  7:16 ` [PATCH 08/10] minix: " Christoph Hellwig
2026-05-11 16:08   ` Jan Kara
2026-05-12  6:08     ` Christoph Hellwig
2026-05-12 12:13       ` Christian Brauner
2026-05-11  7:16 ` [PATCH 09/10] ntfs3: " Christoph Hellwig
2026-05-11  7:16 ` [PATCH 10/10] omfs: " Christoph Hellwig
2026-05-11 13:40   ` Christian Brauner
2026-05-11 13:41 ` fix crashes when mounting legacy file system with sector size > PAGE_SIZE Christian Brauner

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