From: Dave Chinner <david@fromorbit.com>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 2/2] xfs: reserve blocks for ifree transaction during log recovery
Date: Fri, 15 Feb 2019 09:16:26 +1100 [thread overview]
Message-ID: <20190214221626.GX14116@dastard> (raw)
In-Reply-To: <155017110489.6016.15023654256490874855.stgit@magnolia>
On Thu, Feb 14, 2019 at 11:05:04AM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
>
> Log recovery frees all the inodes stored in the unlinked list, which can
> cause expansion of the free inode btree. The ifree code skips block
> reservations if it thinks there's a per-AG space reservation, but we
> don't set up the reservation until after log recovery, which means that
> a finobt expansion blows up in xfs_trans_mod_sb when we exceed the
> transaction's block reservation.
>
> To fix this, we set the "no finobt reservation" flag to true when we
> create the xfs_mount and only set it to false if we confirm that every
> AG had enough free space to put aside for the finobt.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
looks good.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2019-02-14 22:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 19:04 [PATCH 1/2] xfs: rename m_inotbt_nores to m_finobt_nores Darrick J. Wong
2019-02-14 19:05 ` [PATCH 2/2] xfs: reserve blocks for ifree transaction during log recovery Darrick J. Wong
2019-02-14 22:16 ` Dave Chinner [this message]
2019-02-14 22:16 ` [PATCH 1/2] xfs: rename m_inotbt_nores to m_finobt_nores Dave Chinner
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