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From: Dave Chinner <david@fromorbit.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Brian Foster <bfoster@redhat.com>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 6/6] xfs: rename "alloc_set_aside" to be more descriptive
Date: Thu, 24 Mar 2022 08:21:24 +1100	[thread overview]
Message-ID: <20220323212124.GZ1544202@dread.disaster.area> (raw)
In-Reply-To: <164779464063.550479.8986144162552096908.stgit@magnolia>

On Sun, Mar 20, 2022 at 09:44:00AM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
> 
> We've established in this patchset that the "alloc_set_aside" pool is
> actually used to ensure that a bmbt split always succeeds so that the

I don't think this is correct. See my previous comments about the
reason for set_aside existing and why I think the bmbt portion of it
isn't valid anymore.

> filesystem won't run out of space mid-transaction and crash.

That's exactly what transaction reservations and
args->minleft is for, yes?

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

  reply	other threads:[~2022-03-23 21:21 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-20 16:43 [PATCHSET v3 0/6] xfs: fix incorrect reserve pool calculations and reporting Darrick J. Wong
2022-03-20 16:43 ` [PATCH 1/6] xfs: document the XFS_ALLOC_AGFL_RESERVE constant Darrick J. Wong
2022-03-23 20:39   ` Dave Chinner
2022-03-24  5:15     ` Darrick J. Wong
2022-03-24  5:58       ` Dave Chinner
2022-03-20 16:43 ` [PATCH 2/6] xfs: actually set aside enough space to handle a bmbt split Darrick J. Wong
2022-03-23 20:48   ` Dave Chinner
2022-03-24  5:26     ` Darrick J. Wong
2022-03-24  6:00       ` Dave Chinner
2022-03-20 16:43 ` [PATCH 3/6] xfs: don't include bnobt blocks when reserving free block pool Darrick J. Wong
2022-03-21 15:22   ` Brian Foster
2022-03-21 20:42     ` Darrick J. Wong
2022-03-23 20:51   ` Dave Chinner
2022-03-20 16:43 ` [PATCH 4/6] xfs: fix infinite loop " Darrick J. Wong
2022-03-23 21:11   ` Dave Chinner
2022-03-24  5:24     ` Darrick J. Wong
2022-03-24  6:21       ` Dave Chinner
2022-03-20 16:43 ` [PATCH 5/6] xfs: don't report reserved bnobt space as available Darrick J. Wong
2022-03-21 15:22   ` Brian Foster
2022-03-21 20:48     ` Darrick J. Wong
2022-03-23 21:12   ` Dave Chinner
2022-03-20 16:44 ` [PATCH 6/6] xfs: rename "alloc_set_aside" to be more descriptive Darrick J. Wong
2022-03-23 21:21   ` Dave Chinner [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-03-17 21:20 [PATCHSET v2 0/6] xfs: fix incorrect reserve pool calculations and reporting Darrick J. Wong
2022-03-17 21:21 ` [PATCH 6/6] xfs: rename "alloc_set_aside" to be more descriptive Darrick J. Wong
2022-03-18 12:21   ` Brian Foster

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