From: Olaf Kirch <olaf.kirch@oracle.com>
Date: Wed, 9 May 2007 09:32:54 +0000 (-0700)
Subject: dm crypt: use smaller bvecs in clones
X-Git-Tag: v2.6.22-rc1~308
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f97380bcadd6bd2e368727de4061aaba4989c426;p=pandora-kernel.git

dm crypt: use smaller bvecs in clones

Allocate smaller clones

With the previous dm-crypt fixes, there is no need for the clone bios to have
the same bvec size as the original - we just need to make them big enough for
the remaining number of pages.  The only requirement is that we clear the
"out" index in convert_context, so that crypt_convert starts storing data at
the right position within the clone bio.

Signed-off-by: Olaf Kirch <olaf.kirch@oracle.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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