blk-mq: add file comments and update copyright notices
authorJens Axboe <axboe@fb.com>
Wed, 28 May 2014 16:15:41 +0000 (10:15 -0600)
committerJens Axboe <axboe@fb.com>
Wed, 28 May 2014 16:15:41 +0000 (10:15 -0600)
commit75bb4625bb78d6a2d879dcb6a7d482861295765b
tree0feeef45e4b0fca3c02cf11e13a54d4607535e1a
parentd852564f8c88b0604490234fdeeb6fb47e4bcc7a
blk-mq: add file comments and update copyright notices

None of the blk-mq files have an explanatory comment at the top
for what that particular file does. Add that and add appropriate
copyright notices as well.

Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq-cpu.c
block/blk-mq-cpumap.c
block/blk-mq-tag.c
block/blk-mq.c