From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>,
linux-xfs@vger.kernel.org, john.g.garry@oracle.com
Subject: Re: [PATCH 3/9] xfs: select the AG with the largest contiguous space
Date: Tue, 24 Oct 2023 09:25:38 -0700 [thread overview]
Message-ID: <20231024162538.GB3195650@frogsfrogsfrogs> (raw)
In-Reply-To: <ZR6F6oFbgOgjeWuT@infradead.org>
On Thu, Oct 05, 2023 at 02:46:18AM -0700, Christoph Hellwig wrote:
> On Wed, Oct 04, 2023 at 11:19:37AM +1100, Dave Chinner wrote:
> > + if (max_blen > *blen) {
> > + if (max_blen_agno != startag) {
> > + ap->blkno = XFS_AGB_TO_FSB(mp, max_blen_agno, 0);
> > + ap->aeof = false;
> > + }
> > + *blen = max_blen;
> > + }
>
> A comment explaining that we at least want the longest freespace
> if no perfect match is available here would be useful to future
> readers.
With Christoph's request for an extra comment added,
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
--D
>
> Otherwise looks good:
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
>
next prev parent reply other threads:[~2023-10-24 16:25 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-04 0:19 [RFC PATCH 0/9] xfs: push perags further into allocation routines Dave Chinner
2023-10-04 0:19 ` [PATCH 1/9] xfs: split xfs_bmap_btalloc_at_eof() Dave Chinner
2023-10-04 23:41 ` Darrick J. Wong
2023-10-05 9:41 ` Christoph Hellwig
2023-10-04 0:19 ` [PATCH 2/9] xfs: contiguous EOF allocation across AGs Dave Chinner
2023-10-05 9:43 ` Christoph Hellwig
2023-10-06 5:27 ` Darrick J. Wong
2023-10-04 0:19 ` [PATCH 3/9] xfs: select the AG with the largest contiguous space Dave Chinner
2023-10-05 9:45 ` Christoph Hellwig
2023-10-05 9:46 ` Christoph Hellwig
2023-10-24 16:25 ` Darrick J. Wong [this message]
2023-10-04 0:19 ` [PATCH 4/9] xfs: push the perag outwards in initial allocation Dave Chinner
2023-10-05 11:57 ` Christoph Hellwig
2023-10-04 0:19 ` [PATCH 5/9] xfs: aligned EOF allocations don't need to scan AGs anymore Dave Chinner
2023-10-05 11:59 ` Christoph Hellwig
2023-10-06 5:55 ` Darrick J. Wong
2023-10-04 0:19 ` [PATCH 6/9] xfs: use agno/agbno in xfs_alloc_vextent functions Dave Chinner
2023-10-05 12:02 ` Christoph Hellwig
2023-10-06 5:56 ` Darrick J. Wong
2023-10-04 0:19 ` [PATCH 7/9] xfs: caller perag always supplied to xfs_alloc_vextent_near_bno Dave Chinner
2023-10-05 12:02 ` Christoph Hellwig
2023-10-06 5:59 ` Darrick J. Wong
2023-10-04 0:19 ` [PATCH 8/9] xfs: collapse near and exact bno allocation Dave Chinner
2023-10-05 12:03 ` Christoph Hellwig
2023-10-06 6:01 ` Darrick J. Wong
2023-10-04 0:19 ` [PATCH 9/9] xfs: return -ENOSPC rather than NULLFSBLOCK from allocation functions Dave Chinner
2023-10-05 12:21 ` Christoph Hellwig
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