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From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Chandan Babu R <chandan.babu@oracle.com>,
	Dave Chinner <david@fromorbit.com>,
	linux-xfs@vger.kernel.org
Subject: Re: [PATCH 07/10] xfs: support RT inodes in xfs_mod_delalloc
Date: Fri, 23 Feb 2024 09:29:31 -0800	[thread overview]
Message-ID: <20240223172931.GY616564@frogsfrogsfrogs> (raw)
In-Reply-To: <20240223172220.GA5004@lst.de>

On Fri, Feb 23, 2024 at 06:22:20PM +0100, Christoph Hellwig wrote:
> On Fri, Feb 23, 2024 at 09:20:28AM -0800, Darrick J. Wong wrote:
> > > +	fsc->frextents -=
> > > +		xfs_rtb_to_rtx(mp, percpu_counter_sum(&mp->m_delalloc_rtblks));
> > 
> > Should m_delalloc_rtblks be measured in rt extents (and not fsblocks)
> > since a sub-rtx delalloc doesn't make any sense?  As written, here we'd
> > also have to signal a corruption if (m_delalloc_rtblks % rextsize > 0).
> 
> Either way should be fine.  I did it this way around so that we only
> have to do the conversion in the slow path, but I can change it around.

I prefer that all the rt space counters have the same measurement
unit to avoid confusion later after we've all forgotten rt again. :)

--D

  reply	other threads:[~2024-02-23 17:29 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-23  7:14 bring back RT delalloc support v2 Christoph Hellwig
2024-02-23  7:14 ` [PATCH 01/10] xfs: make XFS_TRANS_LOWMODE match the other XFS_TRANS_ definitions Christoph Hellwig
2024-02-23 16:29   ` Darrick J. Wong
2024-02-23  7:14 ` [PATCH 02/10] xfs: move RT inode locking out of __xfs_bunmapi Christoph Hellwig
2024-02-23 16:34   ` Darrick J. Wong
2024-02-23 16:37     ` Christoph Hellwig
2024-02-23 16:46       ` Darrick J. Wong
2024-02-23 16:49         ` Christoph Hellwig
2024-02-23 17:30           ` Darrick J. Wong
2024-02-23  7:14 ` [PATCH 03/10] xfs: block deltas in xfs_trans_unreserve_and_mod_sb must be positive Christoph Hellwig
2024-02-23 16:52   ` Darrick J. Wong
2024-02-23  7:15 ` [PATCH 04/10] xfs: split xfs_mod_freecounter Christoph Hellwig
2024-02-23 17:09   ` Darrick J. Wong
2024-02-23 17:18     ` Christoph Hellwig
2024-02-23 17:28       ` Darrick J. Wong
2024-02-23  7:15 ` [PATCH 05/10] xfs: reinstate RT support in xfs_bmapi_reserve_delalloc Christoph Hellwig
2024-02-23 17:12   ` Darrick J. Wong
2024-02-23  7:15 ` [PATCH 06/10] xfs: cleanup fdblock/frextent accounting in xfs_bmap_del_extent_delay Christoph Hellwig
2024-02-23 17:13   ` Darrick J. Wong
2024-02-23 17:15     ` Christoph Hellwig
2024-02-23  7:15 ` [PATCH 07/10] xfs: support RT inodes in xfs_mod_delalloc Christoph Hellwig
2024-02-23 17:20   ` Darrick J. Wong
2024-02-23 17:22     ` Christoph Hellwig
2024-02-23 17:29       ` Darrick J. Wong [this message]
2024-02-23 17:30         ` Christoph Hellwig
2024-02-23  7:15 ` [PATCH 08/10] xfs: look at m_frextents in xfs_iomap_prealloc_size for RT allocations Christoph Hellwig
2024-02-23 17:21   ` Darrick J. Wong
2024-02-23  7:15 ` [PATCH 09/10] xfs: stop the steal (of data blocks for RT indirect blocks) Christoph Hellwig
2024-02-23 17:25   ` Darrick J. Wong
2024-02-23  7:15 ` [PATCH 10/10] xfs: reinstate delalloc for RT inodes (if sb_rextsize == 1) Christoph Hellwig
2024-02-23 17:26   ` Darrick J. Wong
  -- strict thread matches above, loose matches on Subject: below --
2024-02-26 10:04 bring back RT delalloc support v3 Christoph Hellwig
2024-02-26 10:04 ` [PATCH 07/10] xfs: support RT inodes in xfs_mod_delalloc Christoph Hellwig
2024-02-26 17:48   ` Darrick J. Wong

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