linux-kernel - Re: [PATCH] zpool: add zpool_has

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Message-ID: <CALZtONAN=7q3bOOq3mJvRDwydnZ-3fQrxB+BOq_VgiY4Pmr+hg@mail.gmail.com>
Date:	Mon, 1 Jun 2015 07:14:34 -0400
From:	Dan Streetman <ddstreet@...e.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Ganesh Mahendran <opensource.ganesh@...il.com>,
	Minchan Kim <minchan@...nel.org>,
	Kees Cook <keescook@...omium.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linux-MM <linux-mm@...ck.org>
Subject: Re: [PATCH] zpool: add zpool_has_pool()

On Fri, May 29, 2015 at 5:37 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
> On Fri, 29 May 2015 11:12:18 -0400 Dan Streetman <ddstreet@...e.org> wrote:
>
>> Add zpool_has_pool() function, indicating if the specified type of zpool
>> is available (i.e. zsmalloc or zbud).  This allows checking if a pool is
>> available, without actually trying to allocate it, similar to
>> crypto_has_alg().
>>
>> ...
>>
>> +bool zpool_has_pool(char *type);
>
> This has no callers.

Yes, I have a few patches coming up for zswap, that use this.  I was
trying to get the simple patches in first, but I can include this in
the patch series that uses it.
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