summaryrefslogtreecommitdiff
path: root/sys/dev/dm/dm_target_zero.c
diff options
context:
space:
mode:
authortkusumi <tkusumi@NetBSD.org>2019-12-15 14:39:42 +0000
committertkusumi <tkusumi@NetBSD.org>2019-12-15 14:39:42 +0000
commit335d67065cfb38d4598e84a619006f80235e5596 (patch)
treec0181ad8744af69dd43b7b8131c38980881ec633 /sys/dev/dm/dm_target_zero.c
parent32ff06bed7583d814d3bd109aee8652d13372cd8 (diff)
dm: Style cleanups (no functional changes)
Diffstat (limited to 'sys/dev/dm/dm_target_zero.c')
-rw-r--r--sys/dev/dm/dm_target_zero.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/sys/dev/dm/dm_target_zero.c b/sys/dev/dm/dm_target_zero.c
index 388e666fd1f..c5478948c54 100644
--- a/sys/dev/dm/dm_target_zero.c
+++ b/sys/dev/dm/dm_target_zero.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target_zero.c,v 1.25 2019/12/15 10:12:45 tkusumi Exp $ */
+/* $NetBSD: dm_target_zero.c,v 1.26 2019/12/15 14:39:42 tkusumi Exp $ */
/*
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -29,14 +29,13 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_target_zero.c,v 1.25 2019/12/15 10:12:45 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_zero.c,v 1.26 2019/12/15 14:39:42 tkusumi Exp $");
/*
* This file implements initial version of device-mapper zero target.
*/
#include <sys/types.h>
#include <sys/param.h>
-
#include <sys/buf.h>
#include "dm.h"
@@ -67,7 +66,6 @@ dm_target_zero_modcmd(modcmd_t cmd, void *arg)
{
dm_target_t *dmt;
int r;
- dmt = NULL;
switch (cmd) {
case MODULE_CMD_INIT:
@@ -125,10 +123,10 @@ dm_target_zero_init(dm_table_entry_t *table_en, int argc, char **argv)
char *
dm_target_zero_table(void *target_config)
{
+
return NULL;
}
-
/*
* This routine does IO operations.
*/
@@ -139,7 +137,6 @@ dm_target_zero_strategy(dm_table_entry_t *table_en, struct buf *bp)
memset(bp->b_data, 0, bp->b_bcount);
bp->b_resid = 0; /* nestiobuf_done wants b_resid = 0 to be sure
* that there is no other io to done */
-
biodone(bp);
return 0;
@@ -149,6 +146,7 @@ dm_target_zero_strategy(dm_table_entry_t *table_en, struct buf *bp)
int
dm_target_zero_destroy(dm_table_entry_t *table_en)
{
+
/* Unbusy target so we can unload it */
dm_target_unbusy(table_en->target);
@@ -159,6 +157,7 @@ dm_target_zero_destroy(dm_table_entry_t *table_en)
int
dm_target_zero_deps(dm_table_entry_t *table_en, prop_array_t prop_array)
{
+
return 0;
}
@@ -166,5 +165,6 @@ dm_target_zero_deps(dm_table_entry_t *table_en, prop_array_t prop_array)
int
dm_target_zero_upcall(dm_table_entry_t *table_en, struct buf *bp)
{
+
return 0;
}