Ming Lei 055f6e18e0 block: Make q_usage_counter also track legacy requests ...

This patch makes it possible to pause request allocation for
the legacy block layer by calling blk_mq_freeze_queue() and
blk_mq_unfreeze_queue().

Signed-off-by: Ming Lei <ming.lei@redhat.com>
[ bvanassche: Combined two patches into one, edited a comment and made sure
  REQ_NOWAIT is handled properly in blk_old_get_request() ]
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Martin Steigerwald <martin@lichtvoll.de>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2017-11-10 19:53:25 -07:00

..

partitions

partitions/ldm: switch to use uuid_t

2017-06-05 16:59:14 +02:00

badblocks.c

block: Add fallthrough markers to switch statements

2017-06-21 11:46:07 -06:00

bfq-cgroup.c

bfq: Declare local functions static

2017-09-01 13:56:37 -06:00

bfq-iosched.c

block, bfq: fix unbalanced decrements of burst size

2017-10-09 09:54:58 -06:00

bfq-iosched.h

Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block

2017-09-07 11:59:42 -07:00

bfq-wf2q.c

block, bfq: guarantee update_next_in_service always returns an eligible entity

2017-08-31 08:20:31 -06:00

bio-integrity.c

block: remove unnecessary NULL checks in bioset_integrity_free()

2017-10-06 13:03:12 -06:00

bio.c

block: fix Sphinx kernel-doc warning

2017-10-16 13:00:12 -06:00

blk-cgroup.c

blkcg: add sanity check for blkcg policy operations

2017-11-04 12:31:15 -06:00

blk-core.c

block: Make q_usage_counter also track legacy requests

2017-11-10 19:53:25 -07:00

blk-exec.c

block: introduce new block status code type

2017-06-09 09:27:32 -06:00

blk-flush.c

blk-mq: don't allocate driver tag upfront for flush rq

2017-11-04 12:40:13 -06:00

blk-integrity.c

block: switch bios to blk_status_t

2017-06-09 09:27:32 -06:00

blk-ioc.c

Merge branch 'for-linus' of git://git.kernel.dk/linux-block

2017-03-03 10:53:35 -08:00

blk-lib.c

block: cope with WRITE ZEROES failing in blkdev_issue_zeroout()

2017-10-25 12:28:23 -06:00

blk-map.c

blk-map: call blk_queue_bounce from blk_rq_append_bio

2017-06-27 12:13:21 -06:00

blk-merge.c

block: replace bi_bdev with a gendisk pointer and partitions index

2017-08-23 12:49:55 -06:00

blk-mq-cpumap.c

blk-mq: map queues to all present CPUs

2017-07-24 10:01:31 -06:00

blk-mq-debugfs.c

blk-mq: fix issue with shared tag queue re-running

2017-11-10 19:53:25 -07:00

blk-mq-debugfs.h

mq-deadline: add debugfs attributes

2017-05-04 08:25:17 -06:00

blk-mq-pci.c

blk-mq-pci: add a fallback when pci_irq_get_affinity returns NULL

2017-08-18 08:08:14 -06:00

blk-mq-rdma.c

block: Add rdma affinity based queue mapping helper

2017-08-08 14:58:03 -04:00

blk-mq-sched.c

Revert "blk-mq: don't handle TAG_SHARED in restart"

2017-11-10 19:53:25 -07:00

blk-mq-sched.h

blk-mq: don't restart queue when .get_budget returns BLK_STS_RESOURCE

2017-11-01 08:20:34 -06:00

blk-mq-sysfs.c

blk-mq: untangle debugfs and sysfs

2017-05-04 08:24:13 -06:00

blk-mq-tag.c

block: remove blk_mq_reinit_tagset

2017-10-18 19:27:49 +02:00

blk-mq-tag.h

blk-mq-tag: kill unused tag enums

2017-10-01 01:26:21 -06:00

blk-mq-virtio.c

blk-mq: provide a default queue mapping for virtio device

2017-02-27 20:54:05 +02:00

blk-mq.c

block: Make q_usage_counter also track legacy requests

2017-11-10 19:53:25 -07:00

blk-mq.h

blk-mq: move blk_mq_put_driver_tag*() into blk-mq.h

2017-11-04 12:39:57 -06:00

blk-settings.c

block: remove __bio_kmap_atomic

2017-11-10 19:53:25 -07:00

blk-softirq.c

smp: Avoid using two cache lines for struct call_single_data

2017-08-29 15:14:38 +02:00

blk-stat.c

blk-stat: delete useless code

2017-10-10 13:48:14 -06:00

blk-stat.h

blk-stat: kill blk_stat_rq_ddir()

2017-04-21 07:56:23 -06:00

blk-sysfs.c

block: fix warning when I/O elevator is changed as request_queue is being removed

2017-08-28 10:52:44 -06:00

blk-tag.c

block: Unexport blk_queue_end_tag()

2017-08-18 08:36:58 -06:00

blk-throttle.c

blk-throttle: fix null pointer dereference while throttling writeback IOs

2017-10-10 13:09:34 -06:00

blk-timeout.c

block: Fix a race between blk_cleanup_queue() and timeout handling

2017-10-30 13:28:10 -06:00

blk-wbt.c

block,bfq: Disable writeback throttling

2017-10-09 08:29:21 -06:00

blk-wbt.h

block: Make writeback throttling defaults consistent for SQ devices

2017-04-19 08:49:03 -06:00

blk-zoned.c

block: replace bi_bdev with a gendisk pointer and partitions index

2017-08-23 12:49:55 -06:00

blk.h

blk-mq: document the need to have STARTED and COMPLETED share a byte

2017-10-04 11:22:24 -06:00

bounce.c

block: remove the queue_bounce_pfn helper

2017-06-27 12:13:45 -06:00

bsg-lib.c

bsg-lib: don't free job in bsg_prepare_job

2017-09-25 08:56:05 -06:00

bsg.c

block: pass full fmode_t to blk_verify_command

2017-11-10 19:53:25 -07:00

cfq-iosched.c

block/cfq: cache rightmost rb_node

2017-09-08 18:26:49 -07:00

cmdline-parser.c

block: remove unrelated header files and export symbol

2014-01-21 20:18:26 -08:00

compat_ioctl.c

compat_hdio_ioctl: Fix a declaration

2017-08-31 17:32:41 -04:00

deadline-iosched.c

block, scheduler: convert xxx_var_store to void

2017-08-28 10:01:08 -06:00

elevator.c

elevator: allow name aliases

2017-10-25 12:36:50 -06:00

genhd.c

block: introduce GENHD_FL_HIDDEN

2017-11-03 10:31:48 -06:00

ioctl.c

block: move CAP_SYS_ADMIN check in blkdev_roset()

2017-10-25 12:25:00 -06:00

ioprio.c

block: Add fallthrough markers to switch statements

2017-06-21 11:46:07 -06:00

Kconfig

block: Add rdma affinity based queue mapping helper

2017-08-08 14:58:03 -04:00

Kconfig.iosched

block, bfq: add full hierarchical scheduling and cgroups support

2017-04-19 08:30:26 -06:00

kyber-iosched.c

block: kyber: check if there are requests in ctx in kyber_has_work()

2017-11-01 08:20:02 -06:00

Makefile

block: Add rdma affinity based queue mapping helper

2017-08-08 14:58:03 -04:00

mq-deadline.c

mq-deadline: add 'deadline' as a name alias

2017-10-25 12:36:55 -06:00

noop-iosched.c

block: move existing elevator ops to union

2017-01-17 10:03:33 -07:00

opal_proto.h

block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled

2017-09-11 09:45:52 -06:00

partition-generic.c

block: fix a crash caused by wrong API

2017-09-25 08:56:05 -06:00

scsi_ioctl.c

block: pass full fmode_t to blk_verify_command

2017-11-10 19:53:25 -07:00

sed-opal.c

block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled

2017-09-11 09:45:52 -06:00

t10-pi.c

t10-pi: Move opencoded contants to common header

2017-07-03 16:56:25 -06:00