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From: hch <hch@lst.de>
To: Hans Holmberg <Hans.Holmberg@wdc.com>
Cc: hch <hch@lst.de>, Carlos Maiolino <cem@kernel.org>,
	"Darrick J. Wong" <djwong@kernel.org>,
	"linux-xfs@vger.kernel.org" <linux-xfs@vger.kernel.org>
Subject: Re: [PATCH 10/10] xfs: add sysfs stats for zoned GC
Date: Wed, 28 Jan 2026 15:12:33 +0100	[thread overview]
Message-ID: <20260128141233.GC2054@lst.de> (raw)
In-Reply-To: <8df94cf5-20d0-40ea-8658-d24769faf7fd@wdc.com>

On Wed, Jan 28, 2026 at 12:53:24PM +0000, Hans Holmberg wrote:
> On 27/01/2026 17:07, Christoph Hellwig wrote:
> > Add counters of read, write and zone_reset operations as well as
> > GC written bytes to sysfs.  This way they can be easily used for
> > monitoring tools and test cases.
> 
> This is great, but I read this as "add all of these counters to sysfs", so clarifying
> that it is only gc bytes written that is added to sysfs would be good.

All of them are added.  But the others are 32-bit counters and
handled by the existing code just by adding the new group to the
array.

> You did not add a counter for gc bytes read, because that is equal to gc bytes written?

Yes.


  reply	other threads:[~2026-01-28 14:12 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-27 16:05 stats and error injection for zoned GC Christoph Hellwig
2026-01-27 16:05 ` [PATCH 01/10] xfs: fix the errno sign for the xfs_errortag_{add,clearall} stubs Christoph Hellwig
2026-01-28  1:31   ` Darrick J. Wong
2026-01-28 10:50   ` Carlos Maiolino
2026-01-28 12:12   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 02/10] xfs: allocate m_errortag early Christoph Hellwig
2026-01-28  1:32   ` Darrick J. Wong
2026-01-28  3:42     ` Christoph Hellwig
2026-01-28 11:02   ` Carlos Maiolino
2026-01-28 12:12   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 03/10] xfs: don't validate error tags in the I/O path Christoph Hellwig
2026-01-28  1:33   ` Darrick J. Wong
2026-01-28 11:08   ` Carlos Maiolino
2026-01-28 12:14   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 04/10] xfs: move the guts of XFS_ERRORTAG_DELAY out of line Christoph Hellwig
2026-01-28  1:35   ` Darrick J. Wong
2026-01-28  3:44     ` Christoph Hellwig
2026-01-28  5:02       ` Darrick J. Wong
2026-01-28  5:03         ` Christoph Hellwig
2026-01-28 11:18     ` Carlos Maiolino
2026-01-28 14:10       ` Christoph Hellwig
2026-01-28 16:09         ` Darrick J. Wong
2026-01-28 17:43           ` Carlos Maiolino
2026-01-28 11:13   ` Carlos Maiolino
2026-01-28 12:14   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 05/10] xfs: use WRITE_ONCE/READ_ONCE for m_errortag Christoph Hellwig
2026-01-28  1:36   ` Darrick J. Wong
2026-01-28 11:21   ` Carlos Maiolino
2026-01-28 12:15   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 06/10] xfs: allow setting errortags at mount time Christoph Hellwig
2026-01-28  1:37   ` Darrick J. Wong
2026-01-28  3:45     ` Christoph Hellwig
2026-01-28  5:07       ` Darrick J. Wong
2026-01-28  5:12         ` Christoph Hellwig
2026-01-28 11:30   ` Carlos Maiolino
2026-01-28 14:11     ` Christoph Hellwig
2026-01-28 16:11     ` Darrick J. Wong
2026-01-28 16:13       ` Christoph Hellwig
2026-01-28 16:16         ` Darrick J. Wong
2026-01-28 17:48           ` Carlos Maiolino
2026-01-28 12:15   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 07/10] xfs: don't mark all discard issued by zoned GC as sync Christoph Hellwig
2026-01-28  1:38   ` Darrick J. Wong
2026-01-28  3:47     ` Christoph Hellwig
2026-01-28 11:30   ` Carlos Maiolino
2026-01-28 12:15   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 08/10] xfs: refactor zone reset handling Christoph Hellwig
2026-01-28  1:39   ` Darrick J. Wong
2026-01-28 11:34   ` Carlos Maiolino
2026-01-28 12:16   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 09/10] xfs: add zone reset error injection Christoph Hellwig
2026-01-28  1:39   ` Darrick J. Wong
2026-01-28 11:35   ` Carlos Maiolino
2026-01-28 12:19   ` Hans Holmberg
2026-01-27 16:05 ` [PATCH 10/10] xfs: add sysfs stats for zoned GC Christoph Hellwig
2026-01-28  1:40   ` Darrick J. Wong
2026-01-28 11:37   ` Carlos Maiolino
2026-01-28 12:53   ` Hans Holmberg
2026-01-28 14:12     ` hch [this message]
2026-01-28 15:11       ` Hans Holmberg
2026-01-28 15:12         ` hch

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