tree 7f8b40edd637604227357062ce0c63be550b8ea4
parent 415b806de5576b656f3ff94366589af9a161d0c8
author Omar Sandoval <osandov@fb.com> 1488220107 -0800
committer Jens Axboe <axboe@fb.com> 1488470164 -0700

blk-mq: make blk_mq_alloc_request_hctx() allocate a scheduler request

blk_mq_alloc_request_hctx() allocates a driver request directly, unlike
its blk_mq_alloc_request() counterpart. It also crashes because it
doesn't update the tags->rqs map.

Fix it by making it allocate a scheduler request.

Reported-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Tested-by: Sagi Grimberg <sagi@grimberg.me>