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Date: Tue, 2 Apr 2013 11:48:36 -0400
From: "Theodore Ts'o" <tytso@mit.edu>
To: Kent Overstreet <koverstreet@google.com>
Cc: linux-kernel@vger.kernel.org, linux-aio@kvack.org,
        akpm@linux-foundation.org, Zach Brown <zab@redhat.com>,
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        Jeff Moyer <jmoyer@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>,
        Benjamin LaHaise <bcrl@kvack.org>
Subject: Re: [PATCH 21/33] aio: reqs_active -> reqs_available
Message-ID: <20130402154836.GE31577@thunk.org>
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On Thu, Mar 21, 2013 at 09:35:42AM -0700, Kent Overstreet wrote:
> The number of outstanding kiocbs is one of the few shared things left that
> has to be touched for every kiocb - it'd be nice to make it percpu.
> 
> We can make it per cpu by treating it like an allocation problem: we have
> a maximum number of kiocbs that can be outstanding (i.e.  slots) - then we
> just allocate and free slots, and we know how to write per cpu allocators.
> 
> So as prep work for that, we convert reqs_active to reqs_available.

Reviewed-by: "Theodore Ts'o" <tytso@mit.edu>

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