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Re: [PATCH V2] Always reset btree cursor after an insert

To: Lachlan McIlroy <lachlan@xxxxxxx>
Subject: Re: [PATCH V2] Always reset btree cursor after an insert
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 19 Jun 2008 04:35:44 -0400
Cc: xfs-dev <xfs-dev@xxxxxxx>, xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <4859F9EB.5050505@xxxxxxx>
References: <4859F9EB.5050505@xxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.17 (2007-11-01)
On Thu, Jun 19, 2008 at 04:17:15PM +1000, Lachlan McIlroy wrote:
> After a btree insert operation a cursor can be invalid due to block
> splits and a maybe a new root block.  We reset the cursor in
> xfs_bmbt_insert() in the cases where we think we need to but it
> isn't enough as we still see assertions.  Just do what we do elsewhere
> and reset the cursor unconditionally.  Version 2 adds
> XFS_WANT_CORRUPTED_GOTO checks throughout xfs_bmap.c and removes the
> fix to revalidate the original cursor in xfs_bmbt_insert().

Can you commit the XFS_WANT_CORRUPTED_GOTO checks as a separate patch
before the cursor reset?  ACK from me for those hunks.

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