rpms/device-mapper-multipath
7
0
Fork 0
Code Issues Pull Requests Releases Activity
67e579f751
device-mapper-multipath/0016-RH-retain_hwhandler.patch

298 lines
9.8 KiB
Diff
Raw Normal View History

device-mapper-multipath-0.4.9-31 Add 0014-RH-dm_reassign.patch * Fix reassign_maps option Add 0015-RH-selector_change.patch * devices default to using service-time selector Add 0016-RH-retain_hwhandler.patch * add retain_attached_hw_handler option, to let multipath keep an already attached scsi device handler Add 0017-RH-netapp_config.patch Add 0018-RH-remove-config-dups.patch * Clean up duplicates in the devices and blacklist sections
2012-09-27 15:56:43 +00:00
---
libmultipath/config.c | 3 +
libmultipath/config.h | 2 +
libmultipath/configure.c | 7 +++-
libmultipath/defaults.h | 1
libmultipath/dict.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++
libmultipath/dmparser.c | 3 +
libmultipath/propsel.c | 17 ++++++++++
libmultipath/propsel.h | 1
libmultipath/structs.h | 7 ++++
9 files changed, 113 insertions(+), 2 deletions(-)
Index: multipath-tools-120821/libmultipath/config.c
===================================================================
--- multipath-tools-120821.orig/libmultipath/config.c
+++ multipath-tools-120821/libmultipath/config.c
@@ -327,6 +327,7 @@ merge_hwe (struct hwentry * dst, struct
merge_num(fast_io_fail);
merge_num(dev_loss);
merge_num(user_friendly_names);
+ merge_num(retain_hwhandler);
return 0;
}
@@ -386,6 +387,7 @@ store_hwe (vector hwtable, struct hwentr
hwe->fast_io_fail = dhwe->fast_io_fail;
hwe->dev_loss = dhwe->dev_loss;
hwe->user_friendly_names = dhwe->user_friendly_names;
+ hwe->retain_hwhandler = dhwe->retain_hwhandler;
if (dhwe->bl_product && !(hwe->bl_product = set_param_str(dhwe->bl_product)))
goto out;
@@ -519,6 +521,7 @@ load_config (char * file)
conf->max_checkint = MAX_CHECKINT(conf->checkint);
conf->find_multipaths = DEFAULT_FIND_MULTIPATHS;
conf->fast_io_fail = 5;
+ conf->retain_hwhandler = DEFAULT_RETAIN_HWHANDLER;
/*
* preload default hwtable
Index: multipath-tools-120821/libmultipath/config.h
===================================================================
--- multipath-tools-120821.orig/libmultipath/config.h
+++ multipath-tools-120821/libmultipath/config.h
@@ -46,6 +46,7 @@ struct hwentry {
int fast_io_fail;
unsigned int dev_loss;
int user_friendly_names;
+ int retain_hwhandler;
char * bl_product;
};
@@ -110,6 +111,7 @@ struct config {
mode_t mode;
uint32_t cookie;
int reassign_maps;
+ int retain_hwhandler;
char * dev;
struct udev * udev;
Index: multipath-tools-120821/libmultipath/defaults.h
===================================================================
--- multipath-tools-120821.orig/libmultipath/defaults.h
+++ multipath-tools-120821/libmultipath/defaults.h
@@ -16,6 +16,7 @@
#define DEFAULT_VERBOSITY 2
#define DEFAULT_REASSIGN_MAPS 1
#define DEFAULT_FIND_MULTIPATHS 0
+#define DEFAULT_RETAIN_HWHANDLER RETAIN_HWHANDLER_OFF
#define DEFAULT_CHECKINT 5
#define MAX_CHECKINT(a) (a << 2)
Index: multipath-tools-120821/libmultipath/dict.c
===================================================================
--- multipath-tools-120821.orig/libmultipath/dict.c
+++ multipath-tools-120821/libmultipath/dict.c
@@ -650,6 +650,29 @@ wwids_file_handler(vector strvec)
return 0;
}
+static int
+def_retain_hwhandler_handler(vector strvec)
+{
+ char * buff;
+
+ buff = set_value(strvec);
+
+ if (!buff)
+ return 1;
+
+ if ((strlen(buff) == 2 && !strcmp(buff, "no")) ||
+ (strlen(buff) == 1 && !strcmp(buff, "0")))
+ conf->retain_hwhandler = RETAIN_HWHANDLER_OFF;
+ else if ((strlen(buff) == 3 && !strcmp(buff, "yes")) ||
+ (strlen(buff) == 1 && !strcmp(buff, "1")))
+ conf->retain_hwhandler = RETAIN_HWHANDLER_ON;
+ else
+ conf->retain_hwhandler = RETAIN_HWHANDLER_UNDEF;
+
+ FREE(buff);
+ return 0;
+}
+
/*
* blacklist block handlers
*/
@@ -1271,6 +1294,33 @@ hw_names_handler(vector strvec)
return 0;
}
+static int
+hw_retain_hwhandler_handler(vector strvec)
+{
+ struct hwentry *hwe = VECTOR_LAST_SLOT(conf->hwtable);
+ char * buff;
+
+ if (!hwe)
+ return 1;
+
+ buff = set_value(strvec);
+
+ if (!buff)
+ return 1;
+
+ if ((strlen(buff) == 2 && !strcmp(buff, "no")) ||
+ (strlen(buff) == 1 && !strcmp(buff, "0")))
+ hwe->retain_hwhandler = RETAIN_HWHANDLER_OFF;
+ else if ((strlen(buff) == 3 && !strcmp(buff, "yes")) ||
+ (strlen(buff) == 1 && !strcmp(buff, "1")))
+ hwe->retain_hwhandler = RETAIN_HWHANDLER_ON;
+ else
+ hwe->user_friendly_names = RETAIN_HWHANDLER_UNDEF;
+
+ FREE(buff);
+ return 0;
+}
+
/*
* multipaths block handlers
*/
@@ -2295,6 +2345,19 @@ snprint_hw_user_friendly_names (char * b
}
static int
+snprint_hw_retain_hwhandler_handler(char * buff, int len, void * data)
+{
+ struct hwentry * hwe = (struct hwentry *)data;
+
+ if (hwe->retain_hwhandler == RETAIN_HWHANDLER_ON)
+ return snprintf(buff, len, "yes");
+ else if (hwe->retain_hwhandler == RETAIN_HWHANDLER_OFF)
+ return snprintf(buff, len, "no");
+ else
+ return 0;
+}
+
+static int
snprint_def_polling_interval (char * buff, int len, void * data)
{
return snprintf(buff, len, "%i", conf->checkint);
@@ -2632,6 +2695,15 @@ snprint_def_reservation_key(char * buff,
}
static int
+snprint_def_retain_hwhandler_handler(char * buff, int len, void * data)
+{
+ if (conf->retain_hwhandler == RETAIN_HWHANDLER_ON)
+ return snprintf(buff, len, "yes");
+ else
+ return snprintf(buff, len, "no");
+}
+
+static int
snprint_ble_simple (char * buff, int len, void * data)
{
struct blentry * ble = (struct blentry *)data;
@@ -2696,6 +2768,7 @@ init_keywords(void)
install_keyword("log_checker_err", &def_log_checker_err_handler, &snprint_def_log_checker_err);
install_keyword("reservation_key", &def_reservation_key_handler, &snprint_def_reservation_key);
install_keyword("find_multipaths", &def_find_multipaths_handler, &snprint_def_find_multipaths);
+ install_keyword("retain_attached_hw_handler", &def_retain_hwhandler_handler, &snprint_def_retain_hwhandler_handler);
__deprecated install_keyword("default_selector", &def_selector_handler, NULL);
__deprecated install_keyword("default_path_grouping_policy", &def_pgpolicy_handler, NULL);
__deprecated install_keyword("default_uid_attribute", &def_uid_attribute_handler, NULL);
@@ -2757,6 +2830,7 @@ init_keywords(void)
install_keyword("fast_io_fail_tmo", &hw_fast_io_fail_handler, &snprint_hw_fast_io_fail);
install_keyword("dev_loss_tmo", &hw_dev_loss_handler, &snprint_hw_dev_loss);
install_keyword("user_friendly_names", &hw_names_handler, &snprint_hw_user_friendly_names);
+ install_keyword("retain_attached_hw_handler", &hw_retain_hwhandler_handler, &snprint_hw_retain_hwhandler_handler);
install_sublevel_end();
install_keyword_root("multipaths", &multipaths_handler);
Index: multipath-tools-120821/libmultipath/structs.h
===================================================================
--- multipath-tools-120821.orig/libmultipath/structs.h
+++ multipath-tools-120821/libmultipath/structs.h
@@ -99,6 +99,12 @@ enum user_friendly_names_states {
USER_FRIENDLY_NAMES_ON,
};
+enum retain_hwhandler_states {
+ RETAIN_HWHANDLER_UNDEF,
+ RETAIN_HWHANDLER_OFF,
+ RETAIN_HWHANDLER_ON,
+};
+
struct scsi_idlun {
int dev_id;
int host_unique_id;
@@ -188,6 +194,7 @@ struct multipath {
int flush_on_last_del;
int attribute_flags;
int fast_io_fail;
+ int retain_hwhandler;
unsigned int dev_loss;
uid_t uid;
gid_t gid;
Index: multipath-tools-120821/libmultipath/configure.c
===================================================================
--- multipath-tools-120821.orig/libmultipath/configure.c
+++ multipath-tools-120821/libmultipath/configure.c
@@ -76,6 +76,7 @@ setup_map (struct multipath * mpp, char
select_fast_io_fail(mpp);
select_dev_loss(mpp);
select_reservation_key(mpp);
+ select_retain_hwhandler(mpp);
sysfs_set_scsi_tmo(mpp);
/*
@@ -217,8 +218,10 @@ select_action (struct multipath * mpp, v
mpp->alias);
return;
}
- if (!cmpp->selector || strncmp(cmpp->hwhandler, mpp->hwhandler,
- strlen(mpp->hwhandler))) {
+ if (mpp->retain_hwhandler != RETAIN_HWHANDLER_ON &&
+ (strlen(cmpp->hwhandler) != strlen(mpp->hwhandler) ||
+ strncmp(cmpp->hwhandler, mpp->hwhandler,
+ strlen(mpp->hwhandler)))) {
mpp->action = ACT_RELOAD;
condlog(3, "%s: set ACT_RELOAD (hwhandler change)",
mpp->alias);
Index: multipath-tools-120821/libmultipath/dmparser.c
===================================================================
--- multipath-tools-120821.orig/libmultipath/dmparser.c
+++ multipath-tools-120821/libmultipath/dmparser.c
@@ -56,6 +56,7 @@ assemble_map (struct multipath * mp, cha
int nr_priority_groups, initial_pg_nr;
char * p, * f;
char no_path_retry[] = "queue_if_no_path";
+ char retain_hwhandler[] = "retain_attached_hw_handler";
struct pathgroup * pgp;
struct path * pp;
@@ -81,6 +82,8 @@ assemble_map (struct multipath * mp, cha
} else {
add_feature(&f, no_path_retry);
}
+ if (mp->retain_hwhandler == RETAIN_HWHANDLER_ON)
+ add_feature(&f, retain_hwhandler);
shift = snprintf(p, freechar, "%s %s %i %i",
f, mp->hwhandler,
Index: multipath-tools-120821/libmultipath/propsel.c
===================================================================
--- multipath-tools-120821.orig/libmultipath/propsel.c
+++ multipath-tools-120821/libmultipath/propsel.c
@@ -674,3 +674,20 @@ select_reservation_key (struct multipath
return 0;
}
+extern int
+select_retain_hwhandler (struct multipath * mp)
+{
+ if (mp->hwe && mp->hwe->retain_hwhandler) {
+ mp->retain_hwhandler = mp->hwe->retain_hwhandler;
+ condlog(3, "%s: retain_attached_hw_handler = %d (controller default)", mp->alias, mp->retain_hwhandler);
+ return 0;
+ }
+ if (conf->retain_hwhandler) {
+ mp->retain_hwhandler = conf->retain_hwhandler;
+ condlog(3, "%s: retain_attached_hw_handler = %d (config file default)", mp->alias, mp->retain_hwhandler);
+ return 0;
+ }
+ mp->retain_hwhandler = 0;
+ condlog(3, "%s: retain_attached_hw_handler = %d (compiled in default)", mp->alias, mp->retain_hwhandler);
+ return 0;
+}
Index: multipath-tools-120821/libmultipath/propsel.h
===================================================================
--- multipath-tools-120821.orig/libmultipath/propsel.h
+++ multipath-tools-120821/libmultipath/propsel.h
@@ -18,3 +18,4 @@ int select_gid(struct multipath *mp);
int select_fast_io_fail(struct multipath *mp);
int select_dev_loss(struct multipath *mp);
int select_reservation_key(struct multipath *mp);
+extern int select_retain_hwhandler (struct multipath * mp);
Reference in New Issue Copy Permalink