blk-mq-sched: set up scheduler tags when bringing up new queues
authorOmar Sandoval <osandov@fb.com>
Wed, 5 Apr 2017 19:01:31 +0000 (12:01 -0700)
committerJens Axboe <axboe@fb.com>
Fri, 7 Apr 2017 14:56:46 +0000 (08:56 -0600)
commit93252632e828da3e90241a1c0e766556abf71598
tree388756bb6862ea8943c87240644a33feb8c5c402
parent6917ff0b5bd4139e08a3f3146529dcb3b95ba7a6
blk-mq-sched: set up scheduler tags when bringing up new queues

If a new hardware queue is added at runtime, we don't allocate scheduler
tags for it, leading to a crash. This hooks up the scheduler framework
to blk_mq_{init,exit}_hctx() to make sure everything gets properly
initialized/freed.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq-sched.c
block/blk-mq-sched.h
block/blk-mq.c