[GIT PULL] block fixes for 2.6.32-rc

Hi Linus,

Two small comment "regressions" from Alberto, which got screwed up
during some of the early .32 block commits. And then a fixup for the
previous sync hang fix, I had modified it slightly after it had been
tested. You should never do that... The last two fixes are for CFQ, both
fixing regressions introduced recently.

Please pull!

git://git.kernel.dk/linux-2.6-block.git for-linus

Alberto Bertogli (2):
bio_put(): add bio_clone() to the list of functions in the comment
Fix bio_alloc() and bio_kmalloc() documentation

Jens Axboe (2):
backing-dev: bdi sb prune should be in the unregister path, not destroy
cfq-iosched: fix bad return value cfq_should_preempt()

Shaohua Li (1):
cfq-iosched: limit coop preemption

block/cfq-iosched.c | 19 ++++++++++++++++---
fs/bio.c | 28 ++++++++++++++--------------
mm/backing-dev.c | 3 ++-
3 files changed, 32 insertions(+), 18 deletions(-)

--
Jens Axboe

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