Commit 75bb4625 authored by Jens Axboe's avatar Jens Axboe

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: default avatarJens Axboe <axboe@fb.com>
parent d852564f
/*
* CPU notifier helper code for blk-mq
*
* Copyright (C) 2013-2014 Jens Axboe
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
......
/*
* CPU <-> hardware queue mapping helpers
*
* Copyright (C) 2013-2014 Jens Axboe
*/
#include <linux/kernel.h>
#include <linux/threads.h>
#include <linux/module.h>
......
/*
* Fast and scalable bitmap tagging variant. Uses sparser bitmaps spread
* over multiple cachelines to avoid ping-pong between multiple submitters
* or submitter and completer. Uses rolling wakeups to avoid falling of
* the scaling cliff when we run out of tags and have to start putting
* submitters to sleep.
*
* Uses active queue tracking to support fairer distribution of tags
* between multiple submitters when a shared tag map is used.
*
* Copyright (C) 2013-2014 Jens Axboe
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/random.h>
......
/*
* Block multiqueue core code
*
* Copyright (C) 2013-2014 Jens Axboe
* Copyright (C) 2013-2014 Christoph Hellwig
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/backing-dev.h>
......
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