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From: Alasdair G Kergon <agk@redhat.com>
To: Frank Mayhar <fmayhar@google.com>
Cc: linux-kernel@vger.kernel.org, dm-devel@redhat.com
Subject: Re: [dm-devel] [PATCH] dm: Make MIN_IOS, et al, tunable via sysctl.
Date: Sat, 17 Aug 2013 13:30:39 +0100	[thread overview]
Message-ID: <20130817123039.GR1762@agk-dp.fab.redhat.com> (raw)
In-Reply-To: <1376070533.26057.244.camel@bobble.lax.corp.google.com>

On Fri, Aug 16, 2013 at 03:55:21PM -0700, Frank Mayhar wrote:
> This patch fixes that by changing the hardcoded MIN_IOS (and certain
> other) #defines in dm-crypt, dm-io, dm-mpath, dm-snap and dm itself to
> sysctl-modifiable values.  This lets us change the size of these pools
> on the fly, we can reduce the size of the pools and reduce memory
> pressure.
 
Did you consider using module_param_named()?
(E.g. dm_verity_prefetch_cluster in dm-verity.)

Alasdair


  parent reply	other threads:[~2013-08-17 12:30 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-09 17:48 Frank Mayhar
2013-08-13 16:41 ` Frank Mayhar
2013-08-16 22:58 ` Frank Mayhar
2013-08-17 12:30 ` Alasdair G Kergon [this message]
2013-08-19 13:40   ` Mike Snitzer
2013-08-19 15:04     ` Frank Mayhar
2013-08-19 14:00 ` Mike Snitzer
2013-08-19 17:54   ` [dm-devel] " Frank Mayhar
2013-08-19 18:15     ` Mike Snitzer
2013-08-20 21:44     ` [dm-devel] " Mikulas Patocka
2013-08-20 21:52       ` Frank Mayhar
2013-08-20 21:41   ` Mikulas Patocka
2013-08-20 21:22 ` [dm-devel] [PATCH] " Mikulas Patocka
2013-08-20 21:28   ` Frank Mayhar
2013-08-20 21:47     ` Mikulas Patocka
2013-08-20 21:57       ` Frank Mayhar
2013-08-20 22:24         ` Mike Snitzer
2013-08-20 22:52           ` Mikulas Patocka
2013-08-20 23:14           ` Frank Mayhar
2013-08-26 14:28             ` Mikulas Patocka

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