[PATCH 3/3] xfs: wait on IO completion inside an IO context

[Alex Elder]

On Fri, 2010-07-23 at 20:41 +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> To wait while IOs drain from the inode while inside an ioend context, we have
> to wait until the inode io count drops to 1 - the reference we hold - rather
> than zero. Add functionality to the ioend wait subsystem to do this.
> 
> Signed-off-by: Dave Chinner <dchinner at redhat.com>

Looks good.

Reviewed-by: Alex Elder <aelder at sgi.com>