From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Thornber <thornber@redhat.com>
Subject: Re: [PATCHES]: dm lock optimization
Date: Mon, 23 Apr 2012 14:14:39 +0100
Message-ID: <20120423131438.GA32127@ubuntu>
References: <Pine.LNX.4.64.1204182249060.12984@file.rdu.redhat.com>
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Cc: "Alasdair G. Kergon" <agk@redhat.com>
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On Wed, Apr 18, 2012 at 11:03:33PM -0400, Mikulas Patocka wrote:
> Hi
> 
> I placed dm lock optimization patches here
> 
> http://people.redhat.com/mpatocka/patches/kernel/dm-lock-optimization/

Just a heads up that sparse gives some warnings with these patches:

drivers/md/dm.c:689:24: warning: context imbalance in 'dm_get_live_table_fast' - wrong count at exit
drivers/md/dm.c:695:13: warning: context imbalance in 'dm_put_live_table_fast' - unexpected unlock
drivers/md/dm.c:1789:17: warning: context imbalance in 'dm_request_fn' - unexpected unlock

- Joe