blk-mq: Document locking assumptions
authorBart Van Assche <bart.vanassche@sandisk.com>
Tue, 20 Jun 2017 18:15:47 +0000 (11:15 -0700)
committerJens Axboe <axboe@kernel.dk>
Wed, 21 Jun 2017 01:27:14 +0000 (19:27 -0600)
commit7b6078146ccbe9bd165d578586b10ea092ac489e
tree757b09a4928cc73e404a3bfd0b0528de444873d4
parent332ebbf7f9efb31ffc363b99da548963ee3fd66d
blk-mq: Document locking assumptions

Document the locking assumptions in functions that modify
blk_mq_ctx.rq_list to make it easier for humans to verify
this code.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Omar Sandoval <osandov@fb.com>
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-mq-sched.c
block/blk-mq.c