Pass in the 'multipath_dir' config setting as explicit argument
for init_prio() and prio_get().
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
---
libmultipath/prio.c | 24 ++++++++++++++++--------
libmultipath/prio.h | 6 +++---
libmultipath/propsel.c | 16 ++++++++--------
multipath/main.c | 2 +-
multipathd/main.c | 2 +-
5 files changed, 29 insertions(+), 21 deletions(-)
diff --git a/libmultipath/prio.c b/libmultipath/prio.c
index fbf3190..c37d1b0 100644
--- a/libmultipath/prio.c
+++ b/libmultipath/prio.c
@@ -17,9 +17,9 @@ unsigned int get_prio_timeout(unsigned int default_timeout)
return default_timeout;
}
-int init_prio (void)
+int init_prio (char *multipath_dir)
{
- if (!add_prio(DEFAULT_PRIO))
+ if (!add_prio(multipath_dir, DEFAULT_PRIO))
return 1;
return 0;
}
@@ -78,7 +78,7 @@ struct prio * prio_lookup (char * name)
if (!strncmp(name, p->name, PRIO_NAME_LEN))
return p;
}
- return add_prio(name);
+ return NULL;
}
int prio_set_args (struct prio * p, char * args)
@@ -86,7 +86,7 @@ int prio_set_args (struct prio * p, char * args)
return snprintf(p->args, PRIO_ARGS_LEN, "%s", args);
}
-struct prio * add_prio (char * name)
+struct prio * add_prio (char *multipath_dir, char * name)
{
char libname[LIB_PRIO_NAMELEN];
struct stat stbuf;
@@ -98,10 +98,10 @@ struct prio * add_prio (char * name)
return NULL;
snprintf(p->name, PRIO_NAME_LEN, "%s", name);
snprintf(libname, LIB_PRIO_NAMELEN, "%s/libprio%s.so",
- conf->multipath_dir, name);
+ multipath_dir, name);
if (stat(libname,&stbuf) < 0) {
condlog(0,"Prioritizer '%s' not found in %s",
- name, conf->multipath_dir);
+ name, multipath_dir);
goto out;
}
condlog(3, "loading %s prioritizer", libname);
@@ -147,10 +147,18 @@ char * prio_args (struct prio * p)
return p->args;
}
-void prio_get (struct prio * dst, char * name, char * args)
+void prio_get (char *multipath_dir, struct prio * dst, char * name, char * args)
{
- struct prio * src = prio_lookup(name);
+ struct prio * src = NULL;
+
+ if (!dst)
+ return;
+ if (name && strlen(name)) {
+ src = prio_lookup(name);
+ if (!src)
+ src = add_prio(multipath_dir, name);
+ }
if (!src) {
dst->getprio = NULL;
return;
diff --git a/libmultipath/prio.h b/libmultipath/prio.h
index 258dee7..ce72a54 100644
--- a/libmultipath/prio.h
+++ b/libmultipath/prio.h
@@ -53,12 +53,12 @@ struct prio {
};
unsigned int get_prio_timeout(unsigned int default_timeout);
-int init_prio (void);
+int init_prio (char *);
void cleanup_prio (void);
-struct prio * add_prio (char *);
+struct prio * add_prio (char *, char *);
struct prio * prio_lookup (char *);
int prio_getprio (struct prio *, struct path *);
-void prio_get (struct prio *, char *, char *);
+void prio_get (char *, struct prio *, char *, char *);
void prio_put (struct prio *);
int prio_selected (struct prio *);
char * prio_name (struct prio *);
diff --git a/libmultipath/propsel.c b/libmultipath/propsel.c
index c1d9192..ce3904e 100644
--- a/libmultipath/propsel.c
+++ b/libmultipath/propsel.c
@@ -383,13 +383,13 @@ detect_prio(struct path * pp)
return;
if (get_asymmetric_access_state(pp->fd, ret) < 0)
return;
- prio_get(p, PRIO_ALUA, DEFAULT_PRIO_ARGS);
+ prio_get(conf->multipath_dir, p, PRIO_ALUA, DEFAULT_PRIO_ARGS);
}
-#define set_prio(src, msg) \
+#define set_prio(dir, src, msg) \
do { \
if (src && src->prio_name) { \
- prio_get(p, src->prio_name, src->prio_args); \
+ prio_get(dir, p, src->prio_name, src->prio_args); \
origin = msg; \
goto out; \
} \
@@ -410,11 +410,11 @@ select_prio (struct path * pp)
}
}
mpe = find_mpe(conf->mptable, pp->wwid);
- set_prio(mpe, "(LUN setting)");
- set_prio(conf->overrides, "(overrides setting)");
- set_prio(pp->hwe, "controller setting)");
- set_prio(conf, "(config file default)");
- prio_get(p, DEFAULT_PRIO, DEFAULT_PRIO_ARGS);
+ set_prio(conf->multipath_dir, mpe, "(LUN setting)");
+ set_prio(conf->multipath_dir, conf->overrides, "(overrides setting)");
+ set_prio(conf->multipath_dir, pp->hwe, "controller setting)");
+ set_prio(conf->multipath_dir, conf, "(config file default)");
+ prio_get(conf->multipath_dir, p, DEFAULT_PRIO, DEFAULT_PRIO_ARGS);
origin = "(internal default)";
out:
/*
diff --git a/multipath/main.c b/multipath/main.c
index 70412a8..a6f593f 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -626,7 +626,7 @@ main (int argc, char *argv[])
condlog(0, "failed to initialize checkers");
goto out;
}
- if (init_prio()) {
+ if (init_prio(conf->multipath_dir)) {
condlog(0, "failed to initialize prioritizers");
goto out;
}
diff --git a/multipathd/main.c b/multipathd/main.c
index 5a12007..f0caca5 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -2114,7 +2114,7 @@ child (void * param)
condlog(0, "failed to initialize checkers");
goto failed;
}
- if (init_prio()) {
+ if (init_prio(conf->multipath_dir)) {
condlog(0, "failed to initialize prioritizers");
goto failed;
}
--
2.6.6
--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/dm-devel
