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From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 2/7] repair: Protect bad inode list with mutex
Date: Thu, 29 Oct 2020 09:35:34 +0000	[thread overview]
Message-ID: <20201029093534.GA2091@infradead.org> (raw)
In-Reply-To: <20201022051537.2286402-3-david@fromorbit.com>

On Thu, Oct 22, 2020 at 04:15:32PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
> 
> To enable phase 6 parallelisation, we need to protect the bad inode
> list from concurrent modification and/or access. Wrap it with a
> mutex and clean up the nasty typedefs.

The patch itself looks good, but if you touch this code anyway, the
linked list here seems like an incredibly suboptimal data structure.
Even just a simple array that gets realloced would seems better.

  parent reply	other threads:[~2020-10-29  9:35 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-22  5:15 [PATCH 0/7] repair: Phase 6 performance improvements Dave Chinner
2020-10-22  5:15 ` [PATCH 1/7] workqueue: bound maximum queue depth Dave Chinner
2020-10-22  5:54   ` Darrick J. Wong
2020-10-22  8:11     ` Dave Chinner
2020-10-25  4:41   ` Darrick J. Wong
2020-10-26 22:29     ` Dave Chinner
2020-10-26 22:40       ` Darrick J. Wong
2020-10-26 22:57         ` Dave Chinner
2020-10-22  5:15 ` [PATCH 2/7] repair: Protect bad inode list with mutex Dave Chinner
2020-10-22  5:45   ` Darrick J. Wong
2020-10-29  9:35   ` Christoph Hellwig [this message]
2020-10-22  5:15 ` [PATCH 3/7] repair: protect inode chunk tree records with a mutex Dave Chinner
2020-10-22  6:02   ` Darrick J. Wong
2020-10-22  8:15     ` Dave Chinner
2020-10-29 16:45       ` Darrick J. Wong
2020-10-22  5:15 ` [PATCH 4/7] repair: parallelise phase 6 Dave Chinner
2020-10-22  6:11   ` Darrick J. Wong
2020-10-27  5:10     ` Dave Chinner
2020-10-29 17:20       ` Darrick J. Wong
2020-10-22  5:15 ` [PATCH 5/7] repair: don't duplicate names in " Dave Chinner
2020-10-22  6:21   ` Darrick J. Wong
2020-10-22  8:23     ` Dave Chinner
2020-10-22 15:53       ` Darrick J. Wong
2020-10-29  9:39   ` Christoph Hellwig
2020-10-22  5:15 ` [PATCH 6/7] repair: convert the dir byaddr hash to a radix tree Dave Chinner
2020-10-29 16:41   ` Darrick J. Wong
2020-10-22  5:15 ` [PATCH 7/7] repair: scale duplicate name checking in phase 6 Dave Chinner
2020-10-29 16:29   ` Darrick J. Wong
  -- strict thread matches above, loose matches on Subject: below --
2021-03-19  1:33 [PATCH 0/7] repair: Phase 6 performance improvements Dave Chinner
2021-03-19  1:33 ` [PATCH 2/7] repair: Protect bad inode list with mutex Dave Chinner
2021-03-19 18:20   ` Darrick J. Wong
2021-03-19 22:20     ` Dave Chinner

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