[PATCH 1/3] xfs: kill XBF_LOCK

[Dave Chinner]

On Tue, Apr 10, 2012 at 10:00:18AM -0500, Mark Tinguely wrote:
> On 04/10/12 05:03, Dave Chinner wrote:
> >From: Dave Chinner<dchinner at redhat.com>
> >
> >Buffers are always returned locked from the lookup routines. Hence
> >we don't need to tell the lookup routines to return locked buffers,
> >on to try and lock them. Remove XBF_LOCK from all the callers and
> >from internal buffer cache usage.
.....
> >-no_buffer:
> >-	if (flags&  (XBF_LOCK | XBF_TRYLOCK))
> >-		xfs_buf_unlock(bp);
> >-	xfs_buf_rele(bp);
> >-	return NULL;
> >  }
> 
> 
> Do you have a new copy of the "xfs: fix buffer lookup race on
> allocation failure" patch. It would go about here in the sources.
> 
> The reason I ask, the sources that I have for xfs_buf_get() seems to
> still have a "goto no_buffer" for the failed
> xfs_buf_allocate_memory() call and this patch removes that call. I
> did not find anything in the 8 buf clean-up series that would alter
> this area.

I'm sure I posted it previously. Let me update all the reviewed-by
tags and I'll resend the entire series....

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com