From: Mikulas Patocka <mpatocka@redhat.com>
Date: Wed, 8 Apr 2009 23:27:15 +0000 (+0100)
Subject: dm: rework queueing and suspension
X-Git-Tag: v2.6.30-rc2~104^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b00b2036fac7a7667d0676a0f80eee575b8c32b;p=pandora-kernel.git

dm: rework queueing and suspension

Rework shutting down on suspend and document the associated rules.

Drop write lock in __split_and_process_bio to allow more processing
concurrency.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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