From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 17 Nov 2011 05:46:16 +0000 (-0500)
Subject: btrfs: sanitizing ->fs_info, part 4
X-Git-Tag: v3.3-rc1~25^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f07e42ee6fcc252a210781d7262f4051e9fd8f6;p=pandora-kernel.git

btrfs: sanitizing ->fs_info, part 4

A new helper: btrfs_alloc_root(fs_info); allocates btrfs_root
and sets ->fs_info.  All places allocating the suckers converted
to it.  At that point we *never* reassign ->fs_info of btrfs_root;
it's set before anyone sees the address of newly allocated
struct btrfs_root and never assigned anywhere else.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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