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authortkusumi <tkusumi@NetBSD.org>2019-12-15 10:12:45 +0000
committertkusumi <tkusumi@NetBSD.org>2019-12-15 10:12:45 +0000
commit7896be8aaa02cb2868056f7d9ed0dad88d9724f6 (patch)
tree298eb690d1ac8a966a86ac0a97317900539212bf /sys/dev/dm/dm_target_error.c
parente743ff438f64f91780a30c0b65f8fce630593334 (diff)
dm: Make targets' ->sync() optional
Apparently some targets have nothing to sync, so make it optional.
Diffstat (limited to 'sys/dev/dm/dm_target_error.c')
-rw-r--r--sys/dev/dm/dm_target_error.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/sys/dev/dm/dm_target_error.c b/sys/dev/dm/dm_target_error.c
index e9b315f350a..6947f6a4351 100644
--- a/sys/dev/dm/dm_target_error.c
+++ b/sys/dev/dm/dm_target_error.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target_error.c,v 1.22 2019/12/15 09:42:29 tkusumi Exp $ */
+/* $NetBSD: dm_target_error.c,v 1.23 2019/12/15 10:12:45 tkusumi Exp $ */
/*
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_target_error.c,v 1.22 2019/12/15 09:42:29 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_error.c,v 1.23 2019/12/15 10:12:45 tkusumi Exp $");
/*
* This file implements initial version of device-mapper error target.
@@ -45,7 +45,6 @@ __KERNEL_RCSID(0, "$NetBSD: dm_target_error.c,v 1.22 2019/12/15 09:42:29 tkusumi
int dm_target_error_init(dm_table_entry_t*, int, char **);
char *dm_target_error_table(void *);
int dm_target_error_strategy(dm_table_entry_t *, struct buf *);
-int dm_target_error_sync(dm_table_entry_t *);
int dm_target_error_deps(dm_table_entry_t *, prop_array_t);
int dm_target_error_destroy(dm_table_entry_t *);
int dm_target_error_upcall(dm_table_entry_t *, struct buf *);
@@ -84,7 +83,6 @@ dm_target_error_modcmd(modcmd_t cmd, void *arg)
dmt->init = &dm_target_error_init;
dmt->table = &dm_target_error_table;
dmt->strategy = &dm_target_error_strategy;
- dmt->sync = &dm_target_error_sync;
dmt->deps = &dm_target_error_deps;
dmt->destroy = &dm_target_error_destroy;
dmt->upcall = &dm_target_error_upcall;
@@ -140,14 +138,6 @@ dm_target_error_strategy(dm_table_entry_t *table_en, struct buf *bp)
return 0;
}
-/* Sync underlying disk caches. */
-int
-dm_target_error_sync(dm_table_entry_t *table_en)
-{
-
- return 0;
-}
-
/* Doesn't do anything here. */
int
dm_target_error_destroy(dm_table_entry_t *table_en)