From: Mark McLoughlin <markmc@redhat.com>
Date: Tue, 3 Oct 2006 08:15:25 +0000 (-0700)
Subject: [PATCH] dm snapshot: allow zero chunk_size
X-Git-Tag: v2.6.19-rc1~276
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c7e3bf44d0ae227ea1ee87c2197212e65d043d7;p=pandora-kernel.git

[PATCH] dm snapshot: allow zero chunk_size

The chunk size of snapshots cannot be changed so it is redundant to require it
as a parameter when activating an existing snapshot.  Allow a value of zero in
this case and ignore it.  For a new snapshot, use a default value if zero is
specified.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
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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