[GIT PULL] Ceph updates for -rc7

[Sage Weil]

Hi Linus,

Please pull the following two patches from

  git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git for-linus

One is a stopgap to prevent a stack blowout when users have a deep chain 
of image clones.  (We'll rewrite this code to be non-recursive for the 
next window, but in the meantime this is a simple fix that avoids a 
crash.)  The second fixes a refcount underflow.

Thanks!
sage

----------------------------------------------------------------
Ilya Dryomov (2):
      rbd: don't leak parent_spec in rbd_dev_probe_parent()
      rbd: prevent kernel stack blow up on rbd map

 drivers/block/rbd.c | 69 ++++++++++++++++++++++++++++++-----------------------
 1 file changed, 39 insertions(+), 30 deletions(-)
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