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Date: Wed, 29 Oct 2025 13:45:52 +0100
From: Christian Brauner <brauner@kernel.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-btrfs@vger.kernel.org, Qu Wenruo <wqu@suse.com>, 
	djwong@kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2] iomap: add IOMAP_DIO_FSBLOCK_ALIGNED flag
Message-ID: <20251029-lernprogramm-neukunden-dee8eea07597@brauner>
References: <c78d08f4e709158f30e1e88e62ab98db45dd7883.1760345826.git.wqu@suse.com>
 <20251021-leber-dienlich-0bee81a049e1@brauner>
 <aPiGVJTpM8aohQpk@infradead.org>
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In-Reply-To: <aPiGVJTpM8aohQpk@infradead.org>

On Wed, Oct 22, 2025 at 12:23:00AM -0700, Christoph Hellwig wrote:
> On Tue, Oct 21, 2025 at 03:03:08PM +0200, Christian Brauner wrote:
> > On Mon, 13 Oct 2025 19:35:16 +1030, Qu Wenruo wrote:
> > > Btrfs requires all of its bios to be fs block aligned, normally it's
> > > totally fine but with the incoming block size larger than page size
> > > (bs > ps) support, the requirement is no longer met for direct IOs.
> > > 
> > > Because iomap_dio_bio_iter() calls bio_iov_iter_get_pages(), only
> > > requiring alignment to be bdev_logical_block_size().
> > > 
> > > [...]
> > 
> > Applied to the vfs-6.19.iomap branch of the vfs/vfs.git tree.
> > Patches in the vfs-6.19.iomap branch should appear in linux-next soon.
> 
> I'm not seeing it yet.

Sorry, I got lost in some work. Pushed.