From: Alasdair G Kergon <agk@redhat.com>
Date: Tue, 3 Oct 2006 08:15:28 +0000 (-0700)
Subject: [PATCH] dm snapshot: tidy snapshot_map
X-Git-Tag: v2.6.19-rc1~272
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba40a2aa6e6f3d084cf35c8b872fc9f18f91231f;p=pandora-kernel.git

[PATCH] dm snapshot: tidy snapshot_map

This patch rearranges the snapshot_map code so that the functional changes in
subsequent patches are clearer.

The only functional change is to replace the existing read lock with a write
lock which the next patch needs.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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