[GIT PULL] Block fixes for 3.17

From: Jens Axboe
Date: Thu Aug 28 2014 - 16:23:57 EST

Hi Linus,

Smaller collection of fixes that have come up since the initial merge
window pull request. It contains:

- Error handling cleanup and support for larger than 16 byte cdbs in
sg_io() from Christoph. The latter just matches what bsg and friends
support, sg_io() got left out in the merge.

- An option for brd to expose partitions in /proc/partitions. They are
hidden by default for compat reasons. From Dmitry Monakhov.

- A few blk-mq fixes from me - killing a dead/unused flag, fix for
merging happening even if turned off, and correction of a few

- Removal of unnecessary ->owner setting in systemace. From Michal

- Two related fixes for a problem with nesting freezing of queues in
blk-mq. One from Ming Lei removing an unecessary freeze operation, and
another from Tejun fixing the nesting regression introduced in the
merge window.

- Fix for a BUG_ON() at bio_endio time when protection info is attached
and the IO has an error. From Sagi Grimberg.

- Two scsi_ioctl bug fixes for regressions with scsi-mq from Tony

- A cfq weight update fix and subsequent comment update from Toshiaki

Please pull!

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

Christoph Hellwig (2):
block: cleanup error handling in sg_io
block: support > 16 byte CDBs for SG_IO

Dmitry Monakhov (1):
brd: add ram disk visibility option

Jens Axboe (3):
blk-mq: get rid of unused BLK_MQ_F_SHOULD_SORT flag
blk-mq: don't allow merges if turned off for the queue
blk-mq: correct a few wrong/bad comments

Michal Simek (1):
block: systemace: Remove .owner field for driver

Ming Lei (1):
blk-mq: fix WARNING "percpu_ref_kill() called more than once!"

Sabrina Dubroca (1):
block: fix error handling in sg_io

Sagi Grimberg (1):
block: Fix BUG_ON when pi errors occur

Tejun Heo (1):
blk-mq: blk_mq_freeze_queue() should allow nesting

Tony Battersby (2):
scsi-mq: fix requests that use a separate CDB buffer
fix regression in SCSI_IOCTL_SEND_COMMAND

Toshiaki Makita (2):
cfq-iosched: Fix wrong children_weight calculation
cfq-iosched: Add comments on update timing of weight

block/bio-integrity.c | 2 +-
block/blk-core.c | 1 -
block/blk-mq.c | 36 ++++++++++++++++++++++--------------
block/cfq-iosched.c | 19 ++++++++++++++++---
block/scsi_ioctl.c | 40 +++++++++++++++++++++++++++-------------
drivers/block/brd.c | 6 +++++-
drivers/block/xsysace.c | 1 -
drivers/scsi/scsi_lib.c | 1 -
include/linux/blk-mq.h | 7 +++----
9 files changed, 74 insertions(+), 39 deletions(-)

Jens Axboe

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