[dm-devel] [PATCH 06/26] libmultipath: use 'is_daemon' as argument for domap() etc
Hannes Reinecke
hare at suse.de
Mon Jul 4 07:08:26 UTC 2016
Use 'is_daemon' as argument for domap() and coalesce_paths()
to avoid having to access struct config.
Signed-off-by: Hannes Reinecke <hare at suse.com>
---
libmultipath/configure.c | 16 ++++++++--------
libmultipath/configure.h | 6 +++---
libmultipath/structs_vec.c | 15 ++++++++-------
libmultipath/structs_vec.h | 9 +++++----
multipath/main.c | 3 ++-
multipathd/cli_handlers.c | 6 +++---
multipathd/main.c | 14 +++++++-------
7 files changed, 36 insertions(+), 33 deletions(-)
diff --git a/libmultipath/configure.c b/libmultipath/configure.c
index a98b1ca..6ae780f 100644
--- a/libmultipath/configure.c
+++ b/libmultipath/configure.c
@@ -579,7 +579,7 @@ fail:
#define DOMAP_DRY 3
extern int
-domap (struct multipath * mpp, char * params)
+domap (struct multipath * mpp, char * params, int is_daemon)
{
int r = DOMAP_FAIL;
@@ -655,7 +655,7 @@ domap (struct multipath * mpp, char * params)
*/
if (mpp->action == ACT_CREATE)
remember_wwid(mpp->wwid);
- if (!conf->daemon) {
+ if (!is_daemon) {
/* multipath client mode */
dm_switchgroup(mpp->alias, mpp->bestpg);
} else {
@@ -731,7 +731,7 @@ out:
}
extern int
-coalesce_paths (struct vectors * vecs, vector newmp, char * refwwid, int force_reload)
+coalesce_paths (struct vectors * vecs, vector newmp, char * refwwid, int force_reload, int is_daemon)
{
int r = 1;
int k, i;
@@ -830,7 +830,7 @@ coalesce_paths (struct vectors * vecs, vector newmp, char * refwwid, int force_r
if (mpp->action == ACT_UNDEF)
select_action(mpp, curmp, force_reload);
- r = domap(mpp, params);
+ r = domap(mpp, params, is_daemon);
if (r == DOMAP_FAIL || r == DOMAP_RETRY) {
condlog(3, "%s: domap (%u) failure "
@@ -848,7 +848,7 @@ coalesce_paths (struct vectors * vecs, vector newmp, char * refwwid, int force_r
if (r == DOMAP_DRY)
continue;
- if (!conf->daemon && !conf->allow_queueing && !check_daemon()) {
+ if (!is_daemon && !conf->allow_queueing && !check_daemon()) {
if (mpp->no_path_retry != NO_PATH_RETRY_UNDEF &&
mpp->no_path_retry != NO_PATH_RETRY_FAIL)
condlog(3, "%s: multipathd not running, unset "
@@ -873,7 +873,7 @@ coalesce_paths (struct vectors * vecs, vector newmp, char * refwwid, int force_r
}
}
- if (!conf->daemon && mpp->action != ACT_NOTHING)
+ if (!is_daemon && mpp->action != ACT_NOTHING)
print_multipath_topology(mpp, conf->verbosity);
if (newmp) {
@@ -1068,7 +1068,7 @@ out:
return 1;
}
-extern int reload_map(struct vectors *vecs, struct multipath *mpp, int refresh)
+extern int reload_map(struct vectors *vecs, struct multipath *mpp, int refresh, int is_daemon)
{
char params[PARAMS_SIZE] = {0};
struct path *pp;
@@ -1091,7 +1091,7 @@ extern int reload_map(struct vectors *vecs, struct multipath *mpp, int refresh)
}
select_action(mpp, vecs->mpvec, 1);
- r = domap(mpp, params);
+ r = domap(mpp, params, is_daemon);
if (r == DOMAP_FAIL || r == DOMAP_RETRY) {
condlog(3, "%s: domap (%u) failure "
"for reload map", mpp->alias, r);
diff --git a/libmultipath/configure.h b/libmultipath/configure.h
index f357d9a..c0338bf 100644
--- a/libmultipath/configure.h
+++ b/libmultipath/configure.h
@@ -25,9 +25,9 @@ enum actions {
#define FLUSH_ALL 2
int setup_map (struct multipath * mpp, char * params, int params_size );
-int domap (struct multipath * mpp, char * params);
+int domap (struct multipath * mpp, char * params, int is_daemon);
int reinstate_paths (struct multipath *mpp);
-int coalesce_paths (struct vectors *vecs, vector curmp, char * refwwid, int force_reload);
+int coalesce_paths (struct vectors *vecs, vector curmp, char * refwwid, int force_reload, int is_daemon);
int get_refwwid (char * dev, enum devtypes dev_type, vector pathvec, char **wwid);
-int reload_map(struct vectors *vecs, struct multipath *mpp, int refresh);
+int reload_map(struct vectors *vecs, struct multipath *mpp, int refresh, int is_daemon);
int sysfs_get_host_adapter_name(struct path *pp, char *adapter_name);
diff --git a/libmultipath/structs_vec.c b/libmultipath/structs_vec.c
index eea8ddd..8ddc292 100644
--- a/libmultipath/structs_vec.c
+++ b/libmultipath/structs_vec.c
@@ -247,7 +247,7 @@ extract_hwe_from_path(struct multipath * mpp)
}
static int
-update_multipath_table (struct multipath *mpp, vector pathvec)
+update_multipath_table (struct multipath *mpp, vector pathvec, int is_daemon)
{
char params[PARAMS_SIZE] = {0};
@@ -259,7 +259,7 @@ update_multipath_table (struct multipath *mpp, vector pathvec)
return 1;
}
- if (disassemble_map(pathvec, params, mpp, conf->daemon)) {
+ if (disassemble_map(pathvec, params, mpp, is_daemon)) {
condlog(3, "%s: cannot disassemble map", mpp->alias);
return 1;
}
@@ -314,7 +314,7 @@ void sync_paths(struct multipath *mpp, vector pathvec)
}
extern int
-update_multipath_strings (struct multipath *mpp, vector pathvec)
+update_multipath_strings (struct multipath *mpp, vector pathvec, int is_daemon)
{
if (!mpp)
return 1;
@@ -326,7 +326,7 @@ update_multipath_strings (struct multipath *mpp, vector pathvec)
free_pgvec(mpp->pg, KEEP_PATHS);
mpp->pg = NULL;
- if (update_multipath_table(mpp, pathvec))
+ if (update_multipath_table(mpp, pathvec, is_daemon))
return 1;
sync_paths(mpp, pathvec);
@@ -365,7 +365,8 @@ set_no_path_retry(struct multipath *mpp)
}
extern int
-__setup_multipath (struct vectors * vecs, struct multipath * mpp, int reset)
+__setup_multipath (struct vectors * vecs, struct multipath * mpp,
+ int reset, int is_daemon)
{
if (dm_get_info(mpp->alias, &mpp->dmi)) {
/* Error accessing table */
@@ -379,7 +380,7 @@ __setup_multipath (struct vectors * vecs, struct multipath * mpp, int reset)
goto out;
}
- if (update_multipath_strings(mpp, vecs->pathvec)) {
+ if (update_multipath_strings(mpp, vecs->pathvec, is_daemon)) {
condlog(0, "%s: failed to setup multipath", mpp->alias);
goto out;
}
@@ -548,7 +549,7 @@ int update_multipath (struct vectors *vecs, char *mapname, int reset)
return 2;
}
- if (__setup_multipath(vecs, mpp, reset))
+ if (__setup_multipath(vecs, mpp, reset, 1))
return 1; /* mpp freed in setup_multipath */
/*
diff --git a/libmultipath/structs_vec.h b/libmultipath/structs_vec.h
index 2e06beb..c8e78b5 100644
--- a/libmultipath/structs_vec.h
+++ b/libmultipath/structs_vec.h
@@ -22,10 +22,11 @@ void orphan_path (struct path * pp, const char *reason);
int verify_paths(struct multipath * mpp, struct vectors * vecs);
int update_mpp_paths(struct multipath * mpp, vector pathvec);
int __setup_multipath (struct vectors * vecs, struct multipath * mpp,
- int reset);
-#define setup_multipath(vecs, mpp) __setup_multipath(vecs, mpp, 1)
-int update_multipath_strings (struct multipath *mpp, vector pathvec);
-
+ int reset, int is_daemon);
+#define setup_multipath(vecs, mpp) __setup_multipath(vecs, mpp, 1, 1)
+int update_multipath_strings (struct multipath *mpp, vector pathvec,
+ int is_daemon);
+
void remove_map (struct multipath * mpp, struct vectors * vecs, int purge_vec);
void remove_map_and_stop_waiter (struct multipath * mpp, struct vectors * vecs, int purge_vec);
void remove_maps (struct vectors * vecs);
diff --git a/multipath/main.c b/multipath/main.c
index 30710ea..4b77023 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -380,7 +380,8 @@ configure (void)
/*
* core logic entry point
*/
- r = coalesce_paths(&vecs, NULL, refwwid, conf->force_reload);
+ r = coalesce_paths(&vecs, NULL, refwwid,
+ conf->force_reload, conf->daemon);
out:
if (refwwid)
diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c
index 52bcdaa..0ca0807 100644
--- a/multipathd/cli_handlers.c
+++ b/multipathd/cli_handlers.c
@@ -711,7 +711,7 @@ cli_add_map (void * v, char ** reply, int * len, void * data)
rc = get_refwwid(param, DEV_DEVMAP, vecs->pathvec,
&refwwid);
if (refwwid) {
- if (coalesce_paths(vecs, NULL, refwwid, 0))
+ if (coalesce_paths(vecs, NULL, refwwid, 0, conf->daemon))
condlog(2, "%s: coalesce_paths failed",
param);
dm_lib_release();
@@ -789,7 +789,7 @@ cli_reload(void *v, char **reply, int *len, void *data)
return 1;
}
- return reload_map(vecs, mpp, 0);
+ return reload_map(vecs, mpp, 0, conf->daemon);
}
int resize_map(struct multipath *mpp, unsigned long long size,
@@ -802,7 +802,7 @@ int resize_map(struct multipath *mpp, unsigned long long size,
update_mpp_paths(mpp, vecs->pathvec);
setup_map(mpp, params, PARAMS_SIZE);
mpp->action = ACT_RESIZE;
- if (domap(mpp, params) <= 0) {
+ if (domap(mpp, params, conf->daemon) <= 0) {
condlog(0, "%s: failed to resize map : %s", mpp->alias,
strerror(errno));
mpp->size = orig_size;
diff --git a/multipathd/main.c b/multipathd/main.c
index 8592982..22284f9 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -379,7 +379,7 @@ retry:
retries = -1;
goto fail;
}
- if (domap(mpp, params) <= 0 && retries-- > 0) {
+ if (domap(mpp, params, conf->daemon) <= 0 && retries-- > 0) {
condlog(0, "%s: map_udate sleep", mpp->alias);
sleep(1);
goto retry;
@@ -487,7 +487,7 @@ ev_add_map (char * dev, char * alias, struct vectors * vecs)
r = get_refwwid(dev, DEV_DEVMAP, vecs->pathvec, &refwwid);
if (refwwid) {
- r = coalesce_paths(vecs, NULL, refwwid, 0);
+ r = coalesce_paths(vecs, NULL, refwwid, 0, conf->daemon);
dm_lib_release();
}
@@ -724,7 +724,7 @@ rescan:
* reload the map for the multipath mapped device
*/
retry:
- ret = domap(mpp, params);
+ ret = domap(mpp, params, conf->daemon);
if (ret <= 0) {
if (ret < 0 && retries-- > 0) {
condlog(0, "%s: retry domap for addition of new "
@@ -866,7 +866,7 @@ ev_remove_path (struct path *pp, struct vectors * vecs)
* reload the map
*/
mpp->action = ACT_RELOAD;
- if (domap(mpp, params) <= 0) {
+ if (domap(mpp, params, conf->daemon) <= 0) {
condlog(0, "%s: failed in domap for "
"removal of path %s",
mpp->alias, pp->dev);
@@ -931,7 +931,7 @@ uev_update_path (struct uevent *uev, struct vectors * vecs)
}
}
if (mpp) {
- retval = reload_map(vecs, mpp, 0);
+ retval = reload_map(vecs, mpp, 0, conf->daemon);
condlog(2, "%s: map %s reloaded (retval %d)",
uev->kernel, mpp->alias, retval);
@@ -1361,7 +1361,7 @@ int update_prio(struct path *pp, int refresh_all)
int update_path_groups(struct multipath *mpp, struct vectors *vecs, int refresh)
{
- if (reload_map(vecs, mpp, refresh))
+ if (reload_map(vecs, mpp, refresh, conf->daemon))
return 1;
dm_lib_release();
@@ -1798,7 +1798,7 @@ configure (struct vectors * vecs, int start_waiters)
/*
* create new set of maps & push changed ones into dm
*/
- if (coalesce_paths(vecs, mpvec, NULL, 1))
+ if (coalesce_paths(vecs, mpvec, NULL, 1, conf->daemon))
return 1;
/*
--
2.6.6
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