[GIT PULL] (xen) stable/for-jens-3.16

[Konrad Rzeszutek Wilk]

Dear Jens,

Please git pull the following branch:

git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git stable/for-jens-3.16

which has a bunch of fixes to the Xen block frontend and backend driver
and a new parameter for Xen backend driver - an override (set by the toolstack)
whether to expose the discard support (if disk of course supports it) or not.

 drivers/block/xen-blkback/common.h |  4 +--
 drivers/block/xen-blkback/xenbus.c | 53 ++++++++++++++++++++++++++++----------
 drivers/block/xen-blkfront.c       | 40 ++++++++++------------------
 include/xen/interface/io/blkif.h   |  2 +-
 4 files changed, 57 insertions(+), 42 deletions(-)

Olaf Hering (3):
      xen-blkfront: remove type check from blkfront_setup_discard
      xen/blkback: disable discard feature if requested by toolstack
      xen blkif.h: fix comment typo in discard-alignment

Valentin Priescu (1):
      xen-blkback: defer freeing blkif to avoid blocking xenwatch

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