From: Joe Thornber <ejt@redhat.com>
Date: Fri, 3 Jul 2015 13:51:32 +0000 (+0100)
Subject: dm btree: silence lockdep lock inversion in dm_btree_del()
X-Git-Tag: v3.2.71~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a62b33eed7aba186f0d8ffad97b732335db414c8;p=pandora-kernel.git

dm btree: silence lockdep lock inversion in dm_btree_del()

commit 1c7518794a3647eb345d59ee52844e8a40405198 upstream.

Allocate memory using GFP_NOIO when deleting a btree.  dm_btree_del()
can be called via an ioctl and we don't want to recurse into the FS or
block layer.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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