dm: move include files

Publish the dm-io, dm-log and dm-kcopyd headers in include/linux.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 0 insertions, 131 deletions

diff --git a/drivers/md/dm-log.h b/drivers/md/dm-log.h
deleted file mode 100644
index 600c5fb2daa..00000000000
--- a/drivers/md/dm-log.h
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (C) 2003 Sistina Software
- * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
- *
- * Device-Mapper dirty region log.
- *
- * This file is released under the LGPL.
- */
-
-#ifndef _LINUX_DM_DIRTY_LOG
-#define _LINUX_DM_DIRTY_LOG
-
-#ifdef __KERNEL__
-
-#include <linux/types.h>
-#include <linux/device-mapper.h>
-
-typedef sector_t region_t;
-
-struct dm_dirty_log_type;
-
-struct dm_dirty_log {
-	struct dm_dirty_log_type *type;
-	void *context;
-};
-
-struct dm_dirty_log_type {
-	const char *name;
-	struct module *module;
-
-	int (*ctr)(struct dm_dirty_log *log, struct dm_target *ti,
-		   unsigned argc, char **argv);
-	void (*dtr)(struct dm_dirty_log *log);
-
-	/*
-	 * There are times when we don't want the log to touch
-	 * the disk.
-	 */
-	int (*presuspend)(struct dm_dirty_log *log);
-	int (*postsuspend)(struct dm_dirty_log *log);
-	int (*resume)(struct dm_dirty_log *log);
-
-	/*
-	 * Retrieves the smallest size of region that the log can
-	 * deal with.
-	 */
-	uint32_t (*get_region_size)(struct dm_dirty_log *log);
-
-	/*
-	 * A predicate to say whether a region is clean or not.
-	 * May block.
-	 */
-	int (*is_clean)(struct dm_dirty_log *log, region_t region);
-
-	/*
-	 *  Returns: 0, 1, -EWOULDBLOCK, < 0
-	 *
-	 * A predicate function to check the area given by
-	 * [sector, sector + len) is in sync.
-	 *
-	 * If -EWOULDBLOCK is returned the state of the region is
-	 * unknown, typically this will result in a read being
-	 * passed to a daemon to deal with, since a daemon is
-	 * allowed to block.
-	 */
-	int (*in_sync)(struct dm_dirty_log *log, region_t region,
-		       int can_block);
-
-	/*
-	 * Flush the current log state (eg, to disk).  This
-	 * function may block.
-	 */
-	int (*flush)(struct dm_dirty_log *log);
-
-	/*
-	 * Mark an area as clean or dirty.  These functions may
-	 * block, though for performance reasons blocking should
-	 * be extremely rare (eg, allocating another chunk of
-	 * memory for some reason).
-	 */
-	void (*mark_region)(struct dm_dirty_log *log, region_t region);
-	void (*clear_region)(struct dm_dirty_log *log, region_t region);
-
-	/*
-	 * Returns: <0 (error), 0 (no region), 1 (region)
-	 *
-	 * The mirrord will need perform recovery on regions of
-	 * the mirror that are in the NOSYNC state.  This
-	 * function asks the log to tell the caller about the
-	 * next region that this machine should recover.
-	 *
-	 * Do not confuse this function with 'in_sync()', one
-	 * tells you if an area is synchronised, the other
-	 * assigns recovery work.
-	*/
-	int (*get_resync_work)(struct dm_dirty_log *log, region_t *region);
-
-	/*
-	 * This notifies the log that the resync status of a region
-	 * has changed.  It also clears the region from the recovering
-	 * list (if present).
-	 */
-	void (*set_region_sync)(struct dm_dirty_log *log,
-				region_t region, int in_sync);
-
-	/*
-	 * Returns the number of regions that are in sync.
-	 */
-	region_t (*get_sync_count)(struct dm_dirty_log *log);
-
-	/*
-	 * Support function for mirror status requests.
-	 */
-	int (*status)(struct dm_dirty_log *log, status_type_t status_type,
-		      char *result, unsigned maxlen);
-};
-
-int dm_dirty_log_type_register(struct dm_dirty_log_type *type);
-int dm_dirty_log_type_unregister(struct dm_dirty_log_type *type);
-
-/*
- * Make sure you use these two functions, rather than calling
- * type->constructor/destructor() directly.
- */
-struct dm_dirty_log *dm_dirty_log_create(const char *type_name,
-					 struct dm_target *ti,
-					 unsigned argc, char **argv);
-void dm_dirty_log_destroy(struct dm_dirty_log *log);
-
-#endif	/* __KERNEL__ */
-#endif	/* _LINUX_DM_DIRTY_LOG_H */