From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org, hch@lst.de, dchinner@redhat.com,
christian.brauner@ubuntu.com
Subject: Re: [PATCH 3/4] xfs: force log and push AIL to clear pinned inodes when aborting mount
Date: Mon, 8 Mar 2021 08:53:46 +0100 [thread overview]
Message-ID: <20210308075346.GB983@lst.de> (raw)
In-Reply-To: <161514875722.698643.971171271199400538.stgit@magnolia>
On Sun, Mar 07, 2021 at 12:25:57PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
>
> If we allocate quota inodes in the process of mounting a filesystem but
> then decide to abort the mount, it's possible that the quota inodes are
> sitting around pinned by the log. Now that inode reclaim relies on the
> AIL to flush inodes, we have to force the log and push the AIL in
> between releasing the quota inodes and kicking off reclaim to tear down
> all the incore inodes. Do this by extracting the bits we need from the
> unmount path and reusing them.
>
> This was originally found during a fuzz test of metadata directories
> (xfs/1546), but the actual symptom was that reclaim hung up on the quota
> inodes.
>
> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2021-03-08 7:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-07 20:25 [PATCHSET v2 0/4] xfs: small fixes for 5.12 Darrick J. Wong
2021-03-07 20:25 ` [PATCH 1/4] xfs: fix quota accounting when a mount is idmapped Darrick J. Wong
2021-03-07 22:28 ` Dave Chinner
2021-03-07 20:25 ` [PATCH 2/4] xfs: avoid buffer deadlocks when walking fs inodes Darrick J. Wong
2021-03-07 20:36 ` [PATCH v2.1 " Darrick J. Wong
2021-03-07 22:37 ` Dave Chinner
2021-03-08 3:56 ` Darrick J. Wong
2021-03-08 7:56 ` Christoph Hellwig
2021-03-07 20:25 ` [PATCH 3/4] xfs: force log and push AIL to clear pinned inodes when aborting mount Darrick J. Wong
2021-03-07 23:01 ` Dave Chinner
2021-03-08 4:47 ` Darrick J. Wong
2021-03-08 4:48 ` [PATCH v2.1 " Darrick J. Wong
2021-03-08 9:16 ` Christoph Hellwig
2021-03-08 23:42 ` Dave Chinner
2021-03-08 7:53 ` Christoph Hellwig [this message]
2021-03-07 20:26 ` [PATCH 4/4] xfs: drop freeze protection when running GETFSMAP Darrick J. Wong
2021-03-07 23:05 ` Dave Chinner
2021-03-08 4:45 ` Darrick J. Wong
2021-03-08 7:55 ` Christoph Hellwig
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