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Re: [dm-devel] [PATCH] backing-dev: use synchronize_rcu_expedited instead of synchronize_rcu

From: Jens Axboe <axboe kernel dk>
To: Mikulas Patocka <mpatocka redhat com>
Cc: dm-devel redhat com, linux-kernel vger kernel org, "Alasdair G. Kergon" <agk redhat com>
Subject: Re: [dm-devel] [PATCH] backing-dev: use synchronize_rcu_expedited instead of synchronize_rcu
Date: Thu, 21 Jul 2011 09:27:06 +0200

On 2011-07-21 02:29, Mikulas Patocka wrote:
> Hi Jens
> 
> Please would you consider taking this into the block tree? It seems to 
> speed up device deletion enormously.

Sure, looks like a good fix. Reminds me of a similar problem we had in
block core.


-- 
Jens Axboe

References:
- [dm-devel] [PATCH] backing-dev: use synchronize_rcu_expedited instead of synchronize_rcu
  - From: Mikulas Patocka

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