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[src/trunk]: src/sys/dev/dm dm: #if0 target's ->upcall() handler
details: https://anonhg.NetBSD.org/src/rev/71dcfce78f02
branches: trunk
changeset: 968597:71dcfce78f02
user: tkusumi <tkusumi%NetBSD.org@localhost>
date: Tue Jan 21 16:27:53 2020 +0000
description:
dm: #if0 target's ->upcall() handler
This is part of NetBSD's dm design, but unimplemented
(all handlers return 0) and also unused.
diffstat:
sys/dev/dm/dm.h | 16 ++++++++--------
sys/dev/dm/dm_target.c | 18 ++++++++++--------
sys/dev/dm/dm_target_delay.c | 8 +++++---
sys/dev/dm/dm_target_error.c | 8 +++++---
sys/dev/dm/dm_target_flakey.c | 8 +++++---
sys/dev/dm/dm_target_linear.c | 6 ++++--
sys/dev/dm/dm_target_mirror.c | 10 ++++++----
sys/dev/dm/dm_target_snapshot.c | 16 ++++++++++------
sys/dev/dm/dm_target_stripe.c | 8 +++++---
sys/dev/dm/dm_target_zero.c | 8 +++++---
10 files changed, 63 insertions(+), 43 deletions(-)
diffs (truncated from 527 to 300 lines):
diff -r 59596f749df6 -r 71dcfce78f02 sys/dev/dm/dm.h
--- a/sys/dev/dm/dm.h Tue Jan 21 15:26:36 2020 +0000
+++ b/sys/dev/dm/dm.h Tue Jan 21 16:27:53 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dm.h,v 1.54 2020/01/05 08:08:26 tkusumi Exp $ */
+/* $NetBSD: dm.h,v 1.55 2020/01/21 16:27:53 tkusumi Exp $ */
/*
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -182,7 +182,7 @@
int (*destroy)(dm_table_entry_t *);
int (*strategy)(dm_table_entry_t *, struct buf *);
- int (*upcall)(dm_table_entry_t *, struct buf *);
+ //int (*upcall)(dm_table_entry_t *, struct buf *);
/*
* Optional routines.
@@ -247,7 +247,7 @@
int dm_target_linear_strategy(dm_table_entry_t *, struct buf *);
int dm_target_linear_sync(dm_table_entry_t *);
int dm_target_linear_destroy(dm_table_entry_t *);
-int dm_target_linear_upcall(dm_table_entry_t *, struct buf *);
+//int dm_target_linear_upcall(dm_table_entry_t *, struct buf *);
int dm_target_linear_secsize(dm_table_entry_t *, unsigned int *);
/* dm_target_stripe.c */
@@ -257,20 +257,20 @@
int dm_target_stripe_strategy(dm_table_entry_t *, struct buf *);
int dm_target_stripe_sync(dm_table_entry_t *);
int dm_target_stripe_destroy(dm_table_entry_t *);
-int dm_target_stripe_upcall(dm_table_entry_t *, struct buf *);
+//int dm_target_stripe_upcall(dm_table_entry_t *, struct buf *);
int dm_target_stripe_secsize(dm_table_entry_t *, unsigned int *);
/* dm_target_error.c */
int dm_target_error_init(dm_table_entry_t*, int, char **);
int dm_target_error_strategy(dm_table_entry_t *, struct buf *);
int dm_target_error_destroy(dm_table_entry_t *);
-int dm_target_error_upcall(dm_table_entry_t *, struct buf *);
+//int dm_target_error_upcall(dm_table_entry_t *, struct buf *);
/* dm_target_zero.c */
int dm_target_zero_init(dm_table_entry_t *, int, char **);
int dm_target_zero_strategy(dm_table_entry_t *, struct buf *);
int dm_target_zero_destroy(dm_table_entry_t *);
-int dm_target_zero_upcall(dm_table_entry_t *, struct buf *);
+//int dm_target_zero_upcall(dm_table_entry_t *, struct buf *);
#if 0
/* dm_target_delay.c */
@@ -282,7 +282,7 @@
int dm_target_delay_strategy(dm_table_entry_t *, struct buf *);
int dm_target_delay_sync(dm_table_entry_t *);
int dm_target_delay_destroy(dm_table_entry_t *);
-int dm_target_delay_upcall(dm_table_entry_t *, struct buf *);
+//int dm_target_delay_upcall(dm_table_entry_t *, struct buf *);
int dm_target_delay_secsize(dm_table_entry_t *, unsigned int *);
/* dm_target_flakey.c */
@@ -291,7 +291,7 @@
int dm_target_flakey_strategy(dm_table_entry_t *, struct buf *);
int dm_target_flakey_sync(dm_table_entry_t *);
int dm_target_flakey_destroy(dm_table_entry_t *);
-int dm_target_flakey_upcall(dm_table_entry_t *, struct buf *);
+//int dm_target_flakey_upcall(dm_table_entry_t *, struct buf *);
int dm_target_flakey_secsize(dm_table_entry_t *, unsigned int *);
#endif
diff -r 59596f749df6 -r 71dcfce78f02 sys/dev/dm/dm_target.c
--- a/sys/dev/dm/dm_target.c Tue Jan 21 15:26:36 2020 +0000
+++ b/sys/dev/dm/dm_target.c Tue Jan 21 16:27:53 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target.c,v 1.39 2020/01/05 08:08:26 tkusumi Exp $ */
+/* $NetBSD: dm_target.c,v 1.40 2020/01/21 16:27:53 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.c,v 1.39 2020/01/05 08:08:26 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target.c,v 1.40 2020/01/21 16:27:53 tkusumi Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -168,10 +168,12 @@
printf("%s missing destroy\n", dm_target->name);
return EINVAL;
}
+#if 0
if (dm_target->upcall == NULL) {
printf("%s missing upcall\n", dm_target->name);
return EINVAL;
}
+#endif
mutex_enter(&dm_target_mutex);
@@ -320,7 +322,7 @@
dmt->strategy = &dm_target_linear_strategy;
dmt->sync = &dm_target_linear_sync;
dmt->destroy = &dm_target_linear_destroy;
- dmt->upcall = &dm_target_linear_upcall;
+ //dmt->upcall = &dm_target_linear_upcall;
dmt->secsize = &dm_target_linear_secsize;
if (dm_target_insert(dmt))
printf("Failed to insert linear\n");
@@ -335,7 +337,7 @@
dmt->strategy = &dm_target_stripe_strategy;
dmt->sync = &dm_target_stripe_sync;
dmt->destroy = &dm_target_stripe_destroy;
- dmt->upcall = &dm_target_stripe_upcall;
+ //dmt->upcall = &dm_target_stripe_upcall;
dmt->secsize = &dm_target_stripe_secsize;
if (dm_target_insert(dmt))
printf("Failed to insert striped\n");
@@ -347,7 +349,7 @@
dmt->init = &dm_target_error_init;
dmt->strategy = &dm_target_error_strategy;
dmt->destroy = &dm_target_error_destroy;
- dmt->upcall = &dm_target_error_upcall;
+ //dmt->upcall = &dm_target_error_upcall;
if (dm_target_insert(dmt))
printf("Failed to insert error\n");
@@ -358,7 +360,7 @@
dmt->init = &dm_target_zero_init;
dmt->strategy = &dm_target_zero_strategy;
dmt->destroy = &dm_target_zero_destroy;
- dmt->upcall = &dm_target_zero_upcall;
+ //dmt->upcall = &dm_target_zero_upcall;
if (dm_target_insert(dmt))
printf("Failed to insert zero\n");
#if 0
@@ -372,7 +374,7 @@
dmt->strategy = &dm_target_delay_strategy;
dmt->sync = &dm_target_delay_sync;
dmt->destroy = &dm_target_delay_destroy;
- dmt->upcall = &dm_target_delay_upcall;
+ //dmt->upcall = &dm_target_delay_upcall;
dmt->secsize = &dm_target_delay_secsize;
if (dm_target_insert(dmt))
printf("Failed to insert delay\n");
@@ -387,7 +389,7 @@
dmt->strategy = &dm_target_flakey_strategy;
dmt->sync = &dm_target_flakey_sync;
dmt->destroy = &dm_target_flakey_destroy;
- dmt->upcall = &dm_target_flakey_upcall;
+ //dmt->upcall = &dm_target_flakey_upcall;
dmt->secsize = &dm_target_flakey_secsize;
if (dm_target_insert(dmt))
printf("Failed to insert flakey\n");
diff -r 59596f749df6 -r 71dcfce78f02 sys/dev/dm/dm_target_delay.c
--- a/sys/dev/dm/dm_target_delay.c Tue Jan 21 15:26:36 2020 +0000
+++ b/sys/dev/dm/dm_target_delay.c Tue Jan 21 16:27:53 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target_delay.c,v 1.1 2020/01/05 08:08:26 tkusumi Exp $ */
+/* $NetBSD: dm_target_delay.c,v 1.2 2020/01/21 16:27:53 tkusumi Exp $ */
/*
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_target_delay.c,v 1.1 2020/01/05 08:08:26 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_delay.c,v 1.2 2020/01/21 16:27:53 tkusumi Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -118,7 +118,7 @@
dmt->strategy = &dm_target_delay_strategy;
dmt->sync = &dm_target_delay_sync;
dmt->destroy = &dm_target_delay_destroy;
- dmt->upcall = &dm_target_delay_upcall;
+ //dmt->upcall = &dm_target_delay_upcall;
dmt->secsize = &dm_target_delay_secsize;
dm_target_delay_pool_create();
@@ -425,12 +425,14 @@
dm_pdev_decr(di->pdev);
}
+#if 0
int
dm_target_delay_upcall(dm_table_entry_t *table_en, struct buf *bp)
{
return 0;
}
+#endif
int
dm_target_delay_secsize(dm_table_entry_t *table_en, unsigned int *secsizep)
diff -r 59596f749df6 -r 71dcfce78f02 sys/dev/dm/dm_target_error.c
--- a/sys/dev/dm/dm_target_error.c Tue Jan 21 15:26:36 2020 +0000
+++ b/sys/dev/dm/dm_target_error.c Tue Jan 21 16:27:53 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target_error.c,v 1.28 2019/12/23 16:17:35 tkusumi Exp $ */
+/* $NetBSD: dm_target_error.c,v 1.29 2020/01/21 16:27:53 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 1.28 2019/12/23 16:17:35 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_error.c,v 1.29 2020/01/21 16:27:53 tkusumi Exp $");
/*
* This file implements initial version of device-mapper error target.
@@ -73,7 +73,7 @@
dmt->init = &dm_target_error_init;
dmt->strategy = &dm_target_error_strategy;
dmt->destroy = &dm_target_error_destroy;
- dmt->upcall = &dm_target_error_upcall;
+ //dmt->upcall = &dm_target_error_upcall;
r = dm_target_insert(dmt);
@@ -135,6 +135,7 @@
return 0;
}
+#if 0
/* Unsupported for this target. */
int
dm_target_error_upcall(dm_table_entry_t *table_en, struct buf *bp)
@@ -142,3 +143,4 @@
return 0;
}
+#endif
diff -r 59596f749df6 -r 71dcfce78f02 sys/dev/dm/dm_target_flakey.c
--- a/sys/dev/dm/dm_target_flakey.c Tue Jan 21 15:26:36 2020 +0000
+++ b/sys/dev/dm/dm_target_flakey.c Tue Jan 21 16:27:53 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target_flakey.c,v 1.2 2020/01/05 08:11:10 tkusumi Exp $ */
+/* $NetBSD: dm_target_flakey.c,v 1.3 2020/01/21 16:27:53 tkusumi Exp $ */
/*
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_target_flakey.c,v 1.2 2020/01/05 08:11:10 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_flakey.c,v 1.3 2020/01/21 16:27:53 tkusumi Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -107,7 +107,7 @@
dmt->strategy = &dm_target_flakey_strategy;
dmt->sync = &dm_target_flakey_sync;
dmt->destroy = &dm_target_flakey_destroy;
- dmt->upcall = &dm_target_flakey_upcall;
+ //dmt->upcall = &dm_target_flakey_upcall;
dmt->secsize = &dm_target_flakey_secsize;
r = dm_target_insert(dmt);
@@ -494,12 +494,14 @@
return 0;
}
+#if 0
int
dm_target_flakey_upcall(dm_table_entry_t *table_en, struct buf *bp)
{
return 0;
}
+#endif
int
dm_target_flakey_secsize(dm_table_entry_t *table_en, unsigned int *secsizep)
diff -r 59596f749df6 -r 71dcfce78f02 sys/dev/dm/dm_target_linear.c
--- a/sys/dev/dm/dm_target_linear.c Tue Jan 21 15:26:36 2020 +0000
+++ b/sys/dev/dm/dm_target_linear.c Tue Jan 21 16:27:53 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target_linear.c,v 1.36 2019/12/28 15:38:16 tkusumi Exp $ */
+/* $NetBSD: dm_target_linear.c,v 1.37 2020/01/21 16:27:53 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_linear.c,v 1.36 2019/12/28 15:38:16 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_linear.c,v 1.37 2020/01/21 16:27:53 tkusumi Exp $");
/*
* This file implements initial version of device-mapper linear target.
@@ -163,6 +163,7 @@
return 0;
}
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