1 files changed, 0 insertions, 85 deletions

diff --git a/drivers/md/dm-io.h b/drivers/md/dm-io.h
deleted file mode 100644
index b6bf17ee2f61..000000000000
--- a/drivers/md/dm-io.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2003 Sistina Software
- * Copyright (C) 2004 - 2008 Red Hat, Inc. All rights reserved.
- *
- * Device-Mapper low-level I/O.
- *
- * This file is released under the GPL.
- */
-
-#ifndef _LINUX_DM_IO_H
-#define _LINUX_DM_IO_H
-
-#ifdef __KERNEL__
-
-#include <linux/types.h>
-
-struct dm_io_region {
-        struct block_device *bdev;
-        sector_t sector;
-        sector_t count;         /* If this is zero the region is ignored. */
-};
-
-struct page_list {
-        struct page_list *next;
-        struct page *page;
-};
-
-typedef void (*io_notify_fn)(unsigned long error, void *context);
-
-enum dm_io_mem_type {
-        DM_IO_PAGE_LIST,/* Page list */
-        DM_IO_BVEC,     /* Bio vector */
-        DM_IO_VMA,      /* Virtual memory area */
-        DM_IO_KMEM,     /* Kernel memory */
-};
-
-struct dm_io_memory {
-        enum dm_io_mem_type type;
-
-        union {
-                struct page_list *pl;
-                struct bio_vec *bvec;
-                void *vma;
-                void *addr;
-        } ptr;
-
-        unsigned offset;
-};
-
-struct dm_io_notify {
-        io_notify_fn fn;        /* Callback for asynchronous requests */
-        void *context;          /* Passed to callback */
-};
-
-/*
- * IO request structure
- */
-struct dm_io_client;
-struct dm_io_request {
-        int bi_rw;                      /* READ|WRITE - not READA */
-        struct dm_io_memory mem;        /* Memory to use for io */
-        struct dm_io_notify notify;     /* Synchronous if notify.fn is NULL */
-        struct dm_io_client *client;    /* Client memory handler */
-};
-
-/*
- * For async io calls, users can alternatively use the dm_io() function below
- * and dm_io_client_create() to create private mempools for the client.
- *
- * Create/destroy may block.
- */
-struct dm_io_client *dm_io_client_create(unsigned num_pages);
-int dm_io_client_resize(unsigned num_pages, struct dm_io_client *client);
-void dm_io_client_destroy(struct dm_io_client *client);
-
-/*
- * IO interface using private per-client pools.
- * Each bit in the optional 'sync_error_bits' bitset indicates whether an
- * error occurred doing io to the corresponding region.
- */
-int dm_io(struct dm_io_request *io_req, unsigned num_regions,
-          struct dm_io_region *region, unsigned long *sync_error_bits);
-
-#endif  /* __KERNEL__ */
-#endif  /* _LINUX_DM_IO_H */