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Tejun Heo 09ac46c429 block: misc updates to blk_get_queue() 
* blk_get_queue() is peculiar in that it returns 0 on success and 1 on
  failure instead of 0 / -errno or boolean.  Update it such that it
  returns %true on success and %false on failure.

* Make sure the caller checks for the return value.

* Separate out __blk_get_queue() which doesn't check whether @q is
  dead and put it in blk.h.  This will be used later.

This patch doesn't introduce any functional changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2011-12-14 00:33:38 +01:00
..
blk-cgroup.c block: make ioc get/put interface more conventional and fix race on alloction 2011-12-14 00:33:38 +01:00
blk-cgroup.h block: fix a typo in the blk-cgroup.h file 2011-10-24 16:08:38 +02:00
blk-core.c block: misc updates to blk_get_queue() 2011-12-14 00:33:38 +01:00
blk-exec.c block: add missing blk_queue_dead() checks 2011-12-14 00:33:37 +01:00
blk-flush.c blk-flush: move the queue kick into 2011-10-24 16:24:31 +02:00
blk-integrity.c block: add export.h to files using EXPORT_SYMBOL/THIS_MODULE macros 2011-10-31 19:31:12 -04:00
blk-ioc.c block: make ioc get/put interface more conventional and fix race on alloction 2011-12-14 00:33:38 +01:00
blk-iopoll.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
blk-lib.c block: fix patch import error in max_discard_sectors check 2011-07-23 20:34:59 +02:00
blk-map.c block: Always check length of all iov entries in blk_rq_map_user_iov() 2011-11-13 19:58:09 +01:00
blk-merge.c block: attempt to merge with existing requests on plug flush 2011-03-21 10:14:27 +01:00
blk-settings.c block: Fix discard topology stacking and reporting 2011-05-18 10:37:35 +02:00
blk-softirq.c block: Don't check QUEUE_FLAG_SAME_COMP in __blk_complete_request 2011-09-14 09:31:01 +02:00
blk-sysfs.c block, cfq: move cfqd->cic_index to q->id 2011-12-14 00:33:37 +01:00
blk-tag.c block: warn if tag is greater than real_max_depth. 2011-10-25 10:20:05 +02:00
blk-throttle.c block: add blk_queue_dead() 2011-12-14 00:33:37 +01:00
blk-timeout.c fault-injection: add ability to export fault_attr in arbitrary directory 2011-08-03 14:25:20 -10:00
blk.h block: misc updates to blk_get_queue() 2011-12-14 00:33:38 +01:00
bsg-lib.c block: Change module.h -> export.h in bsg-lib.c 2011-10-31 19:31:13 -04:00
bsg.c block: misc updates to blk_get_queue() 2011-12-14 00:33:38 +01:00
cfq-iosched.c block: make ioc get/put interface more conventional and fix race on alloction 2011-12-14 00:33:38 +01:00
cfq.h blk-cgroup: Add unaccounted time to timeslice_used. 2011-03-12 16:54:00 +01:00
compat_ioctl.c compat_ioctl: fix warning caused by qemu 2011-07-01 22:32:26 +02:00
deadline-iosched.c iosched: prevent aliased requests from starving other I/O 2011-06-02 21:19:05 +02:00
elevator.c block: fix request_queue lifetime handling by making blk_queue_cleanup() properly shutdown 2011-10-19 14:42:16 +02:00
genhd.c block: misc updates to blk_get_queue() 2011-12-14 00:33:38 +01:00
ioctl.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
Kconfig block: add bsg helper library 2011-07-31 22:05:09 +02:00
Kconfig.iosched blk-cgroup: config options re-arrangement 2010-04-26 19:27:56 +02:00
Makefile block: add bsg helper library 2011-07-31 22:05:09 +02:00
noop-iosched.c block: remove per-queue plugging 2011-03-10 08:52:07 +01:00
scsi_ioctl.c block: drop unnecessary blk_get/put_queue() in scsi_cmd_ioctl() and blk_get_tg() 2011-10-19 14:31:25 +02:00