From: David Sterba <dsterba@suse.cz>
Date: Sun, 15 Jun 2014 01:20:26 +0000 (+0200)
Subject: btrfs: unify extent buffer allocation api
X-Git-Tag: fixes-v4.0-rc1~50^2~52^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f556f7853ec4845a7c219d026cbcdf4cfa8cea7;p=pandora-kernel.git

btrfs: unify extent buffer allocation api

Make the extent buffer allocation interface consistent.  Cloned eb will
set a valid fs_info.  For dummy eb, we can drop the length parameter and
set it from fs_info.

The built-in sanity checks may pass a NULL fs_info that's queried for
nodesize, but we know it's 4096.

Signed-off-by: David Sterba <dsterba@suse.cz>
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