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dm io: clean interface

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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>
This commit is contained in:
Heinz Mauelshagen
2008-04-24 21:43:17 +01:00
committed by Alasdair G Kergon
parent e01fd7eeb0
commit 22a1ceb1e6
8 changed files with 33 additions and 25 deletions
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drivers/md/dm-io.c
+6 -5
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@@ -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;