From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 16 Mar 2010 19:40:10 +0000 (-0400)
Subject: Btrfs: buffer results in the space_info ioctl
X-Git-Tag: v2.6.34-rc2~21^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fde62bffb576d384ea49a3aed3403d5609ee5bc;p=pandora-kernel.git

Btrfs: buffer results in the space_info ioctl

The space_info ioctl was using copy_to_user inside rcu_read_lock.  This
commit changes things to copy into a buffer first and then dump the
result down to userland.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

Reading git-diff-tree failed