Re: [PATCH 1/4] xfs: don't fail xfs_extent_busy allocation

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On Fri, Feb 03, 2017 at 10:20:52AM -0500, Brian Foster wrote:
> On Sun, Jan 29, 2017 at 07:43:38PM +0100, Christoph Hellwig wrote:
> > We don't just need the structure to track busy extents which can be
> > avoided with a synchronous transaction, but also to keep track of
> > pending discard.
> > 
> > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > ---
> 
> Looks fine, though I wonder if we should create a kmem_cache similar to
> all of the other log item structures and whatnot...

Using the isolation of a slab cache for such a short lived structure
seems counter productive.
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