[xfs-masters] Re: linux-next: xfs build failure

[Christoph Hellwig <hch@xxxxxx>]

On Tue, Apr 22, 2008 at 01:35:47PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> Today's linux-next build (x86_64 allmodconfig) fails like this:
> 
> fs/xfs/linux-2.6/xfs_buf.c: In function 'xfs_buf_lock_value':
> fs/xfs/linux-2.6/xfs_buf.c:889: error: request for member 'counter' in 
> something not a structure or union
> 
> The commit 64ac24e738823161693bf791f87adc802cf529ff ("Generic semaphore
> implementation") in Linus' tree changed the count in a semaphore from
> atomic_t to int.  I applied the following patch which is clearly not
> correct but builds.

Actually it is correct.  xfs_buf_lock_value is a debug-only helper to
display the semaphore value in traces or a debugger.