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From: Dave Chinner <david@fromorbit.com>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org,
	Allison Henderson <allison.henderson@oracle.com>
Subject: Re: [PATCH v2 04/22] xfs: add helpers to dispose of old btree blocks after a repair
Date: Tue, 29 May 2018 13:14:22 +1000	[thread overview]
Message-ID: <20180529031422.GK10363@dastard> (raw)
In-Reply-To: <20180518035347.GA23858@magnolia>

On Thu, May 17, 2018 at 08:53:47PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Now that we've plumbed in the ability to construct a list of dead btree
> blocks following a repair, add more helpers to dispose of them.  This is
> done by examining the rmapbt -- if the btree was the only owner we can
> free the block, otherwise it's crosslinked and we can only remove the
> rmapbt record.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
> v2: document the design of how old btree block disposal is supposed to
>     work and document some of the limitations of the buffer cache that
>     we can't fix here, and reduce perag_get/put traffic

Yup, I can accept those limitations for the initial implementation.
Gotta leave something for you to work on once it's been merged,
right?

Reviewed-by: Dave Chinner <dchinner@redhat.com>

-- 
Dave Chinner
david@fromorbit.com

  reply	other threads:[~2018-05-29  3:14 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-15 22:33 [PATCH v15.1 00/22] xfs-4.18: online repair support Darrick J. Wong
2018-05-15 22:33 ` [PATCH 01/22] xfs: add helpers to deal with transaction allocation and rolling Darrick J. Wong
2018-05-16  6:51   ` Dave Chinner
2018-05-16 16:46     ` Darrick J. Wong
2018-05-16 21:19       ` Dave Chinner
2018-05-16 16:48   ` Allison Henderson
2018-05-18  3:49   ` [PATCH v2 " Darrick J. Wong
2018-05-15 22:33 ` [PATCH 02/22] xfs: add helpers to allocate and initialize fresh btree roots Darrick J. Wong
2018-05-16  7:07   ` Dave Chinner
2018-05-16 17:15     ` Darrick J. Wong
2018-05-16 17:00   ` Allison Henderson
2018-05-15 22:33 ` [PATCH 03/22] xfs: add helpers to collect and sift btree block pointers during repair Darrick J. Wong
2018-05-16  7:56   ` Dave Chinner
2018-05-16 17:34     ` Allison Henderson
2018-05-16 18:06       ` Darrick J. Wong
2018-05-16 21:23         ` Dave Chinner
2018-05-16 21:33           ` Allison Henderson
2018-05-16 18:01     ` Darrick J. Wong
2018-05-16 21:32       ` Dave Chinner
2018-05-16 22:05         ` Darrick J. Wong
2018-05-17  0:41           ` Dave Chinner
2018-05-17  5:05             ` Darrick J. Wong
2018-05-18  3:51   ` [PATCH v2 " Darrick J. Wong
2018-05-29  3:10     ` Dave Chinner
2018-05-29 15:28       ` Darrick J. Wong
2018-05-15 22:34 ` [PATCH 04/22] xfs: add helpers to dispose of old btree blocks after a repair Darrick J. Wong
2018-05-16  8:32   ` Dave Chinner
2018-05-16 18:02     ` Allison Henderson
2018-05-16 19:34     ` Darrick J. Wong
2018-05-16 22:32       ` Dave Chinner
2018-05-16 23:18         ` Darrick J. Wong
2018-05-17  5:58           ` Darrick J. Wong
2018-05-18  3:53   ` [PATCH v2 " Darrick J. Wong
2018-05-29  3:14     ` Dave Chinner [this message]
2018-05-29 18:01       ` Darrick J. Wong
2018-05-15 22:34 ` [PATCH 05/22] xfs: recover AG btree roots from rmap data Darrick J. Wong
2018-05-16  8:51   ` Dave Chinner
2018-05-16 18:37     ` Darrick J. Wong
2018-05-16 19:18       ` Allison Henderson
2018-05-16 22:36       ` Dave Chinner
2018-05-17  5:53         ` Darrick J. Wong
2018-05-18  3:54   ` [PATCH v2 " Darrick J. Wong
2018-05-29  3:16     ` Dave Chinner
2018-05-15 22:34 ` [PATCH 06/22] xfs: add a repair helper to reset superblock counters Darrick J. Wong
2018-05-16 21:29   ` Allison Henderson
2018-05-18  3:56     ` Darrick J. Wong
2018-05-18  3:56   ` [PATCH v2 " Darrick J. Wong
2018-05-29  3:28     ` Dave Chinner
2018-05-29 22:07       ` Darrick J. Wong
2018-05-29 22:24         ` Dave Chinner
2018-05-29 22:43           ` Darrick J. Wong
2018-05-30  1:23             ` Dave Chinner
2018-05-30  3:22               ` Darrick J. Wong
2018-05-15 22:34 ` [PATCH 07/22] xfs: add helpers to attach quotas to inodes Darrick J. Wong
2018-05-16 22:21   ` Allison Henderson
2018-05-18  3:58   ` [PATCH v2 " Darrick J. Wong
2018-05-29  3:29     ` Dave Chinner
2018-05-15 22:34 ` [PATCH 08/22] xfs: repair superblocks Darrick J. Wong
2018-05-16 22:55   ` Allison Henderson
2018-05-29  3:42   ` Dave Chinner
2018-05-15 22:34 ` [PATCH 09/22] xfs: repair the AGF and AGFL Darrick J. Wong
2018-05-15 22:34 ` [PATCH 10/22] xfs: repair the AGI Darrick J. Wong
2018-05-15 22:34 ` [PATCH 11/22] xfs: repair free space btrees Darrick J. Wong
2018-05-15 22:34 ` [PATCH 12/22] xfs: repair inode btrees Darrick J. Wong
2018-05-15 22:35 ` [PATCH 13/22] xfs: repair the rmapbt Darrick J. Wong
2018-05-15 22:35 ` [PATCH 14/22] xfs: repair refcount btrees Darrick J. Wong
2018-05-15 22:35 ` [PATCH 15/22] xfs: repair inode records Darrick J. Wong
2018-05-15 22:35 ` [PATCH 16/22] xfs: zap broken inode forks Darrick J. Wong
2018-05-15 22:35 ` [PATCH 17/22] xfs: repair inode block maps Darrick J. Wong
2018-05-15 22:35 ` [PATCH 18/22] xfs: repair damaged symlinks Darrick J. Wong
2018-05-15 22:35 ` [PATCH 19/22] xfs: repair extended attributes Darrick J. Wong
2018-05-15 22:35 ` [PATCH 20/22] xfs: scrub should set preen if attr leaf has holes Darrick J. Wong
2018-05-15 22:35 ` [PATCH 21/22] xfs: repair quotas Darrick J. Wong
2018-05-15 22:36 ` [PATCH 22/22] xfs: implement live quotacheck as part of quota repair Darrick J. Wong
2018-05-18  3:47 ` [PATCH 0.5/22] xfs: grab the per-ag structure whenever relevant Darrick J. Wong
2018-05-30  6:44   ` Dave Chinner

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