From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 3/3] xfs: reserve blocks for ifree transaction during log recovery
Date: Thu, 14 Feb 2019 00:17:00 -0800 [thread overview]
Message-ID: <20190214081700.GC5961@infradead.org> (raw)
In-Reply-To: <155009105963.32028.10768016263671369410.stgit@magnolia>
On Wed, Feb 13, 2019 at 12:50:59PM -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.
>
> While we're at it we change the flag name to be clearer about what it
> actually does.
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
But throwing in the field rename makes the patch way bigger and
not as obvious to understand. Any reason it can't be split into
a separate patch?
next prev parent reply other threads:[~2019-02-14 8:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-13 20:50 [PATCH 1/3] xfs: don't overflow xattr listent buffer Darrick J. Wong
2019-02-13 20:50 ` [PATCH 2/3] xfs: don't ever put nlink > 0 inodes on the unlinked list Darrick J. Wong
2019-02-14 8:15 ` Christoph Hellwig
2019-02-14 16:03 ` Darrick J. Wong
2019-02-14 21:41 ` Christoph Hellwig
2019-02-13 20:50 ` [PATCH 3/3] xfs: reserve blocks for ifree transaction during log recovery Darrick J. Wong
2019-02-14 8:17 ` Christoph Hellwig [this message]
2019-02-14 15:58 ` Darrick J. Wong
2019-02-13 20:58 ` [PATCH 1/3] xfs: don't overflow xattr listent buffer Darrick J. Wong
2019-06-27 16:12 ` [STABLE 4.19] fixes for xfs memory and fs corruption Amir Goldstein
2019-06-27 17:08 ` Darrick J. Wong
2019-06-27 23:32 ` Sasha Levin
2019-07-03 2:47 ` Sasha Levin
2019-02-14 8:11 ` [PATCH 1/3] xfs: don't overflow xattr listent buffer Christoph Hellwig
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