From: Mike Snitzer <snitzer@redhat.com>
Date: Fri, 16 Aug 2013 14:54:19 +0000 (-0400)
Subject: dm cache: add data block size limits to code and Documentation
X-Git-Tag: v3.12-rc1~70^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=054730446315d2a9a41f4232ebf1d5034244d054;p=pandora-kernel.git

dm cache: add data block size limits to code and Documentation

Place upper bound on the cache's data block size (1GB).

Inform users that the data block size can't be any arbitrary number,
i.e. its value must be between 32KB and 1GB.  Also, it should be a
multiple of 32KB.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
---

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