block: maple: Clean up and add patchlevel macro to keep track of commits

/*

 * Maple I/O Scheduler

 * Heavily based on Zen, with some parts from Tripndroid.

 * Based on Zen and TripNDroid.

 *

 * Copyright (C) 2012 Brandon Berhent <bbedward@gmail.com>

 *           (C) 2014 LoungeKatt <twistedumbrella@gmail.com>

 *				 2015 Fixes to stop crashing on 3.10 by Matthew Alex <matthewalex@outlook.com>

 *           (C) 2016 Joe Maples <joe@frap129.org>

 *

 * Maple uses Zen's first come first serve style algorithm with seperated read/write

 * expiry to allow for read biases. By prioritizing reads, simple tasks should improve

 * in performance.

 */

#include <linux/blkdev.h>

#include <linux/elevator.h>

#include <linux/powersuspend.h>

#endif

#define MAPLE_IOSCHED_PATCHLEVEL	(2)

enum maple_sync { ASYNC, SYNC };

static const int sync_read_expire = 150;	/* max time before a read sync is submitted. */

static const int sync_write_expire = 150;	/* max time before a write sync is submitted. */

static const int async_read_expire = 900;	/* ditto for read async, these limits are SOFT! */

static const int async_write_expire = 900;	/* ditto for write async, these limits are SOFT! */

static const int fifo_batch = 16;

static const int fifo_batch = 16;		/* # of sequential requests treated as one by the above parameters. */

static const int writes_starved = 1;		/* max times reads can starve a write */

static const int sleep_latency_multiple = 3;	/* multple for expire time when device is asleep */

MODULE_AUTHOR("Brandon Berhent");

MODULE_AUTHOR("TripNRaVeR");

MODULE_AUTHOR("Joe Maples <joe@frap129.org>");

MODULE_AUTHOR("Joe Maples");

MODULE_LICENSE("GPL");

MODULE_DESCRIPTION("Maple I/O Scheduler");

MODULE_VERSION("1.0");