From: Christoph Hellwig <hch@lst.de>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@lst.de>, Carlos Maiolino <cem@kernel.org>,
John Garry <john.g.garry@oracle.com>,
"Darrick J. Wong" <djwong@kernel.org>,
linux-xfs@vger.kernel.org
Subject: Re: [PATCH 7/7] xfs: remove the bt_meta_sectorsize field in struct buftarg
Date: Tue, 24 Jun 2025 16:11:17 +0200 [thread overview]
Message-ID: <20250624141117.GF24420@lst.de> (raw)
In-Reply-To: <aFN5H-uDW5vxQmZJ@dread.disaster.area>
On Thu, Jun 19, 2025 at 12:42:39PM +1000, Dave Chinner wrote:
> > > The external log device can have a different sector size to
> > > the rest of the filesystem. This series looks like it removes the
> > > ability to validate that the log device sector size in teh
> > > superblock is valid for the backing device....
> >
> > I don't follow. Do you mean it remove the future possibility to do this?
>
> No, I mean that this:
>
> # mkfs.xfs -l sectsize=512,logdev=/dev/nvme1n1 -d sectsize=4k .... /dev/nvme0n1
>
> is an valid filesystem configuration and has been for a long, long
> time. i.e. the logdev does not have to have the same physical sector
> size support as the data device.
Sure, and I've never disagreed. But you'd not explained how that is
relevant for this patch. The bt_meta_sectorsize is only used for
asserting the alignment of cached buffers, and we place no buffers
(cached or uncached) on the log device ever.
next prev parent reply other threads:[~2025-06-24 14:11 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-17 10:51 misc cleanups Christoph Hellwig
2025-06-17 10:51 ` [PATCH 1/7] xfs: clean up the initial read logic in xfs_readsb Christoph Hellwig
2025-07-01 14:55 ` Darrick J. Wong
2025-06-17 10:52 ` [PATCH 2/7] xfs: remove the call to sync_blockdev in xfs_configure_buftarg Christoph Hellwig
2025-06-17 12:09 ` John Garry
2025-06-24 14:07 ` Christoph Hellwig
2025-06-24 14:46 ` John Garry
2025-06-17 10:52 ` [PATCH 3/7] xfs: remove the call to bdev_validate_blocksize " Christoph Hellwig
2025-06-17 23:40 ` Dave Chinner
2025-06-18 5:05 ` Christoph Hellwig
2025-06-17 10:52 ` [PATCH 4/7] xfs: refactor xfs_calc_atomic_write_unit_max Christoph Hellwig
2025-06-17 11:44 ` John Garry
2025-06-18 5:08 ` Christoph Hellwig
2025-06-18 6:28 ` John Garry
2025-06-24 14:09 ` Christoph Hellwig
2025-06-24 15:03 ` John Garry
2025-06-17 10:52 ` [PATCH 5/7] xfs: rename the bt_bdev_* buftarg fields Christoph Hellwig
2025-06-17 12:02 ` John Garry
2025-06-18 5:10 ` Christoph Hellwig
2025-06-18 6:23 ` John Garry
2025-06-17 10:52 ` [PATCH 6/7] xfs: remove the bt_bdev_file buftarg field Christoph Hellwig
2025-06-17 10:52 ` [PATCH 7/7] xfs: remove the bt_meta_sectorsize field in struct buftarg Christoph Hellwig
2025-06-17 12:15 ` John Garry
2025-06-17 12:21 ` John Garry
2025-06-18 5:11 ` Christoph Hellwig
2025-06-17 23:51 ` Dave Chinner
2025-06-18 5:15 ` Christoph Hellwig
2025-06-19 2:42 ` Dave Chinner
2025-06-24 14:11 ` Christoph Hellwig [this message]
2025-06-24 23:55 ` Dave Chinner
2025-06-25 6:23 ` Christoph Hellwig
2025-06-18 8:09 ` kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2025-07-01 10:40 misc cleanups v2 Christoph Hellwig
2025-07-01 10:40 ` [PATCH 7/7] xfs: remove the bt_meta_sectorsize field in struct buftarg Christoph Hellwig
2025-07-01 16:51 ` Darrick J. Wong
2025-07-01 22:55 ` Dave Chinner
2025-07-03 13:44 ` Christoph Hellwig
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