dm io: clean interface

Clean up the dm-io interface to prepare for publishing it in include/linux.

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

1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index c56c7eb86fe2..978c0414cf05 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -6,6 +6,7 @@
  */
 
 #include "dm-io.h"
+#include "dm.h"
 
 #include <linux/bio.h>
 #include <linux/mempool.h>
@@ -271,7 +272,7 @@ static void km_dp_init(struct dpages *dp, void *data)
 /*-----------------------------------------------------------------
  * IO routines that accept a list of pages.
  *---------------------------------------------------------------*/
-static void do_region(int rw, unsigned int region, struct io_region *where,
+static void do_region(int rw, unsigned region, struct dm_io_region *where,
                       struct dpages *dp, struct io *io)
 {
         struct bio *bio;
@@ -320,7 +321,7 @@ static void do_region(int rw, unsigned int region, struct io_region *where,
 }
 
 static void dispatch_io(int rw, unsigned int num_regions,
-                        struct io_region *where, struct dpages *dp,
+                        struct dm_io_region *where, struct dpages *dp,
                         struct io *io, int sync)
 {
         int i;
@@ -347,7 +348,7 @@ static void dispatch_io(int rw, unsigned int num_regions,
 }
 
 static int sync_io(struct dm_io_client *client, unsigned int num_regions,
-                   struct io_region *where, int rw, struct dpages *dp,
+                   struct dm_io_region *where, int rw, struct dpages *dp,
                    unsigned long *error_bits)
 {
         struct io io;
@@ -384,7 +385,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
 }
 
 static int async_io(struct dm_io_client *client, unsigned int num_regions,
-                    struct io_region *where, int rw, struct dpages *dp,
+                    struct dm_io_region *where, int rw, struct dpages *dp,
                     io_notify_fn fn, void *context)
 {
         struct io *io;
@@ -438,7 +439,7 @@ static int dp_init(struct dm_io_request *io_req, struct dpages *dp)
  * New collapsed (a)synchronous interface
  */
 int dm_io(struct dm_io_request *io_req, unsigned num_regions,
-          struct io_region *where, unsigned long *sync_error_bits)
+          struct dm_io_region *where, unsigned long *sync_error_bits)
 {
         int r;
         struct dpages dp;