From f2cf418cec8d61df0651a0140a92a8c75246e14f Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 14 Oct 2009 14:09:07 -0700
Subject: [PATCH] ceph: initialize sb->s_bdi, bdi_unregister after
 kill_anon_super

Writeback doesn't work without the bdi set, and writeback on
umount doesn't work if we unregister the bdi too early.

Signed-off-by: Sage Weil <sage@newdream.net>
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Reading git-format-patch failed