From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Andrey Albershteyn <aalbersh@kernel.org>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 04/10] libxfs: unify buftarg handling with the kernel
Date: Sun, 27 Sep 2026 08:18:38 -0700 [thread overview]
Message-ID: <20260927151838.GT2705364@frogsfrogsfrogs> (raw)
In-Reply-To: <20260926055912.GA20636@lst.de>
On Sat, Sep 26, 2026 at 07:59:12AM +0200, Christoph Hellwig wrote:
> On Fri, Sep 25, 2026 at 03:37:16PM -0700, Darrick J. Wong wrote:
> > On Fri, Sep 25, 2026 at 07:12:50AM +0200, Christoph Hellwig wrote:
> > > In the kernel, the RT buftarg is set to NULL when not realtime device is
> > > present, but libxfs still allocates one, and all users instead check for
> > > a NULL ->bt_bdev.
> > >
> > > Switch to the kernel model of never allocating the buftarg, and check
> > > mp->m_rtdev_targp for NULL instead of just ->bt_bdev.
> >
> > Might want to mention that xfsprogs now matches what the kernel does.
>
> That's what I mean to say with "Switch to the kernel model". But if
> that was to subtle I'm open to suggestions for a better wording.
Apparently it was too subtle for me, but on second reading, it's
correct. Comment withdrawn. :)
--D
next prev parent reply other threads:[~2026-09-27 15:18 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 5:12 fix missing RT detection in libxfs v2 Christoph Hellwig
2026-09-25 5:12 ` [PATCH 01/10] libxfs: refactor the reinit case in libxfs_buftarg_init Christoph Hellwig
2026-09-25 22:32 ` Darrick J. Wong
2026-09-25 5:12 ` [PATCH 02/10] libxfs: split error injection option parsing out of libxfs_buftarg_init Christoph Hellwig
2026-09-25 22:33 ` Darrick J. Wong
2026-09-25 5:12 ` [PATCH 03/10] libxfs: remove buftarg member aliases Christoph Hellwig
2026-09-25 5:12 ` [PATCH 04/10] libxfs: unify buftarg handling with the kernel Christoph Hellwig
2026-09-25 22:37 ` Darrick J. Wong
2026-09-26 5:59 ` Christoph Hellwig
2026-09-27 15:18 ` Darrick J. Wong [this message]
2026-09-25 5:12 ` [PATCH 05/10] libxfs: make the size check in rtmount_init internal RT device aware Christoph Hellwig
2026-09-25 22:38 ` Darrick J. Wong
2026-09-25 5:12 ` [PATCH 06/10] libxfs: don't clear ->dev in libxfs_device_close Christoph Hellwig
2026-09-25 22:39 ` Darrick J. Wong
2026-09-25 5:12 ` [PATCH 07/10] libxfs: fix buftarg initialization for the RT device Christoph Hellwig
2026-09-25 22:42 ` Darrick J. Wong
2026-09-25 5:12 ` [PATCH 08/10] libxfs: rename bt_bdev* Christoph Hellwig
2026-09-25 22:43 ` Darrick J. Wong
2026-09-25 5:12 ` [PATCH 09/10] libfrog: improve ramdisk handling in platform_flush_device Christoph Hellwig
2026-09-25 22:47 ` Darrick J. Wong
2026-09-26 6:02 ` Christoph Hellwig
2026-09-27 15:22 ` Darrick J. Wong
2026-09-25 5:12 ` [PATCH 10/10] xfs_db: remove a double-whitespace in rdump_regfile_data Christoph Hellwig
2026-09-25 22:47 ` Darrick J. Wong
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