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Re: assertion failure with latest xfs

To: Lachlan McIlroy <lachlan@xxxxxxx>
Subject: Re: assertion failure with latest xfs
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 23 Oct 2008 13:31:49 -0400
Cc: xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <49003EFF.4090404@xxxxxxx>
References: <49003EFF.4090404@xxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Thu, Oct 23, 2008 at 07:08:15PM +1000, Lachlan McIlroy wrote:
> Just encountered this after pulling in the latest changes.  We are trying to
> initialise an inode that should have an i_count of 1 but instead it is 2.  I
> was running XFSQA test 167 when it happened.

I think the assert is incorrect.  The inode has been added to the radix
tree in xfs_iget_cache_miss, and starting from that point an igrab can
kick in from the sync code and bump the refcount.

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