1 files changed, 0 insertions, 77 deletions
diff --git a/drivers/md/dm-io.h b/drivers/md/dm-io.h
deleted file mode 100644
index 1a77f326570..00000000000
--- a/drivers/md/dm-io.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2003 Sistina Software
- *
- * This file is released under the GPL.
- */
-
-#ifndef _DM_IO_H
-#define _DM_IO_H
-
-#include "dm.h"
-
-/* FIXME make this configurable */
-#define DM_MAX_IO_REGIONS 8
-
-struct io_region {
-	struct block_device *bdev;
-	sector_t sector;
-	sector_t count;
-};
-
-struct page_list {
-	struct page_list *next;
-	struct page *page;
-};
-
-
-/*
- * 'error' is a bitset, with each bit indicating whether an error
- * occurred doing io to the corresponding region.
- */
-typedef void (*io_notify_fn)(unsigned long error, void *context);
-
-
-/*
- * Before anyone uses the IO interface they should call
- * dm_io_get(), specifying roughly how many pages they are
- * expecting to perform io on concurrently.
- *
- * This function may block.
- */
-int dm_io_get(unsigned int num_pages);
-void dm_io_put(unsigned int num_pages);
-
-/*
- * Synchronous IO.
- *
- * Please ensure that the rw flag in the next two functions is
- * either READ or WRITE, ie. we don't take READA.  Any
- * regions with a zero count field will be ignored.
- */
-int dm_io_sync(unsigned int num_regions, struct io_region *where, int rw,
-	       struct page_list *pl, unsigned int offset,
-	       unsigned long *error_bits);
-
-int dm_io_sync_bvec(unsigned int num_regions, struct io_region *where, int rw,
-		    struct bio_vec *bvec, unsigned long *error_bits);
-
-int dm_io_sync_vm(unsigned int num_regions, struct io_region *where, int rw,
-		  void *data, unsigned long *error_bits);
-
-/*
- * Aynchronous IO.
- *
- * The 'where' array may be safely allocated on the stack since
- * the function takes a copy.
- */
-int dm_io_async(unsigned int num_regions, struct io_region *where, int rw,
-		struct page_list *pl, unsigned int offset,
-		io_notify_fn fn, void *context);
-
-int dm_io_async_bvec(unsigned int num_regions, struct io_region *where, int rw,
-		     struct bio_vec *bvec, io_notify_fn fn, void *context);
-
-int dm_io_async_vm(unsigned int num_regions, struct io_region *where, int rw,
-		   void *data, io_notify_fn fn, void *context);
-
-#endif