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| author | Ming Lei <ming.lei@redhat.com> | 2017-11-09 10:49:53 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-11-10 19:53:25 -0700 |
| commit | 055f6e18e08f5b7fd98171fce857a0bad87a919d (patch) | |
| tree | 9885288a924bc3655586455a119ac355588c4eb6 /block/compat_ioctl.c | |
| parent | eb619fdb2d4cb8b3d3419e9113921e87e7daf557 (diff) | |
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>
Diffstat (limited to 'block/compat_ioctl.c')
0 files changed, 0 insertions, 0 deletions