From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 1/5] xfs: fix inode validity check in xfs_iflush_cluster
Date: Thu, 7 Apr 2016 08:47:31 -0700 [thread overview]
Message-ID: <20160407154731.GC23772@infradead.org> (raw)
In-Reply-To: <1459934574-25543-2-git-send-email-david@fromorbit.com>
On Wed, Apr 06, 2016 at 07:22:50PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> Some careless idiot wrote crap code in commit 1a3e8f3 ("xfs: convert
> inode cache lookups to use RCU locking") back in late 2010, and so
> xfs_iflush_cluster checks the wrong inode for whether it is still
> valid under RCU protection. Fix it to lock and check the correct
> inode.
>
> Part of the reason for the screwup was the unconventional naming of
> the cluster inode variable - iq - so also rename all the cluster
> inode variables to use a more conventional prefixes to reduce
> potential future confusion (cilist, cilist_size, cip).
Between all that renaming I didn't actually manage to find the fix :)
Can you split the rename and the fix into separate patches?
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next prev parent reply other threads:[~2016-04-07 15:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-06 9:22 [PATCH 0/5] xfs; xfs_iflush_cluster vs xfs_reclaim_inode Dave Chinner
2016-04-06 9:22 ` [PATCH 1/5] xfs: fix inode validity check in xfs_iflush_cluster Dave Chinner
2016-04-06 12:51 ` Brian Foster
2016-04-07 15:47 ` Christoph Hellwig [this message]
2016-04-06 9:22 ` [PATCH 2/5] xfs: skip stale inodes " Dave Chinner
2016-04-06 12:51 ` Brian Foster
2016-04-07 15:47 ` Christoph Hellwig
2016-04-06 9:22 ` [PATCH 3/5] xfs: xfs_iflush_cluster has range issues Dave Chinner
2016-04-06 12:52 ` Brian Foster
2016-04-07 15:48 ` Christoph Hellwig
2016-04-06 9:22 ` [PATCH 4/5] xfs: xfs_inode_free() isn't RCU safe Dave Chinner
2016-04-07 15:50 ` Christoph Hellwig
2016-04-06 9:22 ` [PATCH 5/5] xfs: mark reclaimed inodes invalid earlier Dave Chinner
2016-04-06 12:52 ` [PATCH 0/5] xfs; xfs_iflush_cluster vs xfs_reclaim_inode Brian Foster
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