1 files changed, 0 insertions, 132 deletions
diff --git a/drivers/staging/zram/zram_drv.h b/drivers/staging/zram/zram_drv.h
deleted file mode 100644
index 3ad9486..0000000
--- a/drivers/staging/zram/zram_drv.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Compressed RAM block device
- *
- * Copyright (C) 2008, 2009, 2010  Nitin Gupta
- *
- * This code is released using a dual license strategy: BSD/GPL
- * You can choose the licence that better fits your requirements.
- *
- * Released under the terms of 3-clause BSD License
- * Released under the terms of GNU General Public License Version 2.0
- *
- * Project home: http://compcache.googlecode.com
- */
-
-#ifndef _ZRAM_DRV_H_
-#define _ZRAM_DRV_H_
-
-#include <linux/spinlock.h>
-#include <linux/mutex.h>
-
-#include "xvmalloc.h"
-
-/*
- * Some arbitrary value. This is just to catch
- * invalid value for num_devices module parameter.
- */
-static const unsigned max_num_devices = 32;
-
-/*
- * Stored at beginning of each compressed object.
- *
- * It stores back-reference to table entry which points to this
- * object. This is required to support memory defragmentation.
- */
-struct zobj_header {
-#if 0
-	u32 table_idx;
-#endif
-};
-
-/*-- Configurable parameters */
-
-/* Default zram disk size: 25% of total RAM */
-static const unsigned default_disksize_perc_ram = 25;
-
-/*
- * Pages that compress to size greater than this are stored
- * uncompressed in memory.
- */
-static const unsigned max_zpage_size = PAGE_SIZE / 4 * 3;
-
-/*
- * NOTE: max_zpage_size must be less than or equal to:
- *   XV_MAX_ALLOC_SIZE - sizeof(struct zobj_header)
- * otherwise, xv_malloc() would always return failure.
- */
-
-/*-- End of configurable params */
-
-#define SECTOR_SHIFT		9
-#define SECTOR_SIZE		(1 << SECTOR_SHIFT)
-#define SECTORS_PER_PAGE_SHIFT	(PAGE_SHIFT - SECTOR_SHIFT)
-#define SECTORS_PER_PAGE	(1 << SECTORS_PER_PAGE_SHIFT)
-#define ZRAM_LOGICAL_BLOCK_SIZE	4096
-
-/* Flags for zram pages (table[page_no].flags) */
-enum zram_pageflags {
-	/* Page is stored uncompressed */
-	ZRAM_UNCOMPRESSED,
-
-	/* Page consists entirely of zeros */
-	ZRAM_ZERO,
-
-	__NR_ZRAM_PAGEFLAGS,
-};
-
-/*-- Data structures */
-
-/* Allocated for each disk page */
-struct table {
-	struct page *page;
-	u16 offset;
-	u8 count;	/* object ref count (not yet used) */
-	u8 flags;
-} __attribute__((aligned(4)));
-
-struct zram_stats {
-	u64 compr_size;		/* compressed size of pages stored */
-	u64 num_reads;		/* failed + successful */
-	u64 num_writes;		/* --do-- */
-	u64 failed_reads;	/* should NEVER! happen */
-	u64 failed_writes;	/* can happen when memory is too low */
-	u64 invalid_io;		/* non-page-aligned I/O requests */
-	u64 notify_free;	/* no. of swap slot free notifications */
-	u32 pages_zero;		/* no. of zero filled pages */
-	u32 pages_stored;	/* no. of pages currently stored */
-	u32 good_compress;	/* % of pages with compression ratio<=50% */
-	u32 pages_expand;	/* % of incompressible pages */
-};
-
-struct zram {
-	struct xv_pool *mem_pool;
-	void *compress_workmem;
-	void *compress_buffer;
-	struct table *table;
-	spinlock_t stat64_lock;	/* protect 64-bit stats */
-	struct mutex lock;	/* protect compression buffers against
-				 * concurrent writes */
-	struct request_queue *queue;
-	struct gendisk *disk;
-	int init_done;
-	/* Prevent concurrent execution of device init and reset */
-	struct mutex init_lock;
-	/*
-	 * This is the limit on amount of *uncompressed* worth of data
-	 * we can store in a disk.
-	 */
-	u64 disksize;	/* bytes */
-
-	struct zram_stats stats;
-};
-
-extern struct zram *zram_devices;
-extern unsigned int num_devices;
-#ifdef CONFIG_SYSFS
-extern struct attribute_group zram_disk_attr_group;
-#endif
-
-extern int zram_init_device(struct zram *zram);
-extern void zram_reset_device(struct zram *zram);
-
-#endif