---

 libmpathpersist/mpath_persist.c |   14 ++++++------

 libmultipath/discovery.c        |   46 ++++++++++++++++++++--------------------

 libmultipath/discovery.h        |    4 +++

 multipath/main.c                |    2 -

 multipathd/main.c               |    6 +++--

 5 files changed, 39 insertions(+), 33 deletions(-)

Index: multipath-tools-130222/libmpathpersist/mpath_persist.c

===================================================================

--- multipath-tools-130222.orig/libmpathpersist/mpath_persist.c

+++ multipath-tools-130222/libmpathpersist/mpath_persist.c

@@ -178,7 +178,7 @@ int mpath_persistent_reserve_in (int fd,

 		goto out;

 	}

-	if (path_discovery(pathvec, conf, DI_SYSFS | DI_CHECKER)) {

+	if (path_discovery(pathvec, conf, DI_SYSFS | DI_CHECKER) < 0) {

 		ret = MPATH_PR_DMMP_ERROR;

 		goto out1;

 	}

@@ -262,13 +262,13 @@ int mpath_persistent_reserve_out ( int f

 	curmp = vector_alloc ();

 	pathvec = vector_alloc ();

-	 if (!curmp || !pathvec){

-                condlog (0, "%s: vector allocation failed.", alias);

-                ret = MPATH_PR_DMMP_ERROR;

-                goto out;

-        }

+	if (!curmp || !pathvec){

+		condlog (0, "%s: vector allocation failed.", alias);

+		ret = MPATH_PR_DMMP_ERROR;

+		goto out;

+	}

-	if (path_discovery(pathvec, conf, DI_SYSFS | DI_CHECKER)) {

+	if (path_discovery(pathvec, conf, DI_SYSFS | DI_CHECKER) < 0) {

 		ret = MPATH_PR_DMMP_ERROR;

 		goto out1;

 	}

Index: multipath-tools-130222/libmultipath/discovery.c

===================================================================

--- multipath-tools-130222.orig/libmultipath/discovery.c

+++ multipath-tools-130222/libmultipath/discovery.c

@@ -32,7 +32,7 @@ int

 store_pathinfo (vector pathvec, vector hwtable, struct udev_device *udevice,

 		int flag, struct path **pp_ptr)

 {

-	int err = 1;

+	int err = PATHINFO_FAILED;

 	struct path * pp;

 	const char * devname;

@@ -41,12 +41,12 @@ store_pathinfo (vector pathvec, vector h

 	devname = udev_device_get_sysname(udevice);

 	if (!devname)

-		return 1;

+		return PATHINFO_FAILED;

 	pp = alloc_path();

 	if (!pp)

-		return 1;

+		return PATHINFO_FAILED;

 	if(safe_sprintf(pp->dev, "%s", devname)) {

 		condlog(0, "pp->dev too small");

@@ -80,19 +80,16 @@ path_discover (vector pathvec, struct co

 	devname = udev_device_get_sysname(udevice);

 	if (!devname)

-		return 0;

+		return PATHINFO_FAILED;

 	if (filter_devnode(conf->blist_devnode, conf->elist_devnode,

 			   (char *)devname) > 0)

-		return 0;

+		return PATHINFO_SKIPPED;

 	pp = find_path_by_dev(pathvec, (char *)devname);

 	if (!pp) {

-		if (store_pathinfo(pathvec, conf->hwtable,

-				   udevice, flag, NULL) != 1)

-			return 0;

-		else

-			return 1;

+		return store_pathinfo(pathvec, conf->hwtable,

+				      udevice, flag, NULL);

 	}

 	return pathinfo(pp, conf->hwtable, flag);

 }

@@ -104,11 +101,11 @@ path_discovery (vector pathvec, struct c

 	struct udev_list_entry *entry;

 	struct udev_device *udevice;

 	const char *devpath;

-	int r = 0;

+	int num_paths = 0, total_paths = 0;

 	udev_iter = udev_enumerate_new(conf->udev);

 	if (!udev_iter)

-		return 1;

+		return -ENOMEM;

 	udev_enumerate_add_match_subsystem(udev_iter, "block");

 	udev_enumerate_scan_devices(udev_iter);

@@ -121,17 +118,20 @@ path_discovery (vector pathvec, struct c

 		udevice = udev_device_new_from_syspath(conf->udev, devpath);

 		if (!udevice) {

 			condlog(4, "%s: no udev information", devpath);

-			r++;

 			continue;

 		}

 		devtype = udev_device_get_devtype(udevice);

-		if(devtype && !strncmp(devtype, "disk", 4))

-			r += path_discover(pathvec, conf, udevice, flag);

+		if(devtype && !strncmp(devtype, "disk", 4)) {

+			total_paths++;

+			if (path_discover(pathvec, conf,

+					  udevice, flag) == PATHINFO_OK)

+				num_paths++;

+		}

 		udev_device_unref(udevice);

 	}

 	udev_enumerate_unref(udev_iter);

-	condlog(4, "Discovery status %d", r);

-	return r;

+	condlog(4, "Discovered %d/%d paths", num_paths, total_paths);

+	return (total_paths - num_paths);

 }

 #define declare_sysfs_get_str(fname)					\

@@ -1021,7 +1021,7 @@ get_state (struct path * pp, int daemon)

 	if (!checker_selected(c)) {

 		if (daemon) {

-			if (pathinfo(pp, conf->hwtable, DI_SYSFS) != 0) {

+			if (pathinfo(pp, conf->hwtable, DI_SYSFS) != PATHINFO_OK) {

 				condlog(3, "%s: couldn't get sysfs pathinfo",

 					pp->dev);

 				return PATH_UNCHECKED;

@@ -1140,7 +1140,7 @@ pathinfo (struct path *pp, vector hwtabl

 	int path_state;

 	if (!pp)

-		return 1;

+		return PATHINFO_FAILED;

 	condlog(3, "%s: mask = 0x%x", pp->dev, mask);

@@ -1148,12 +1148,12 @@ pathinfo (struct path *pp, vector hwtabl

 	 * fetch info available in sysfs

 	 */

 	if (mask & DI_SYSFS && sysfs_pathinfo(pp))

-		return 1;

+		return PATHINFO_FAILED;

 	if (mask & DI_BLACKLIST && mask & DI_SYSFS) {

 		if (filter_device(conf->blist_device, conf->elist_device,

 				  pp->vendor_id, pp->product_id) > 0) {

-			return 2;

+			return PATHINFO_SKIPPED;

 		}

 	}

@@ -1199,7 +1199,7 @@ pathinfo (struct path *pp, vector hwtabl

 	if (mask & DI_BLACKLIST && mask & DI_WWID) {

 		if (filter_wwid(conf->blist_wwid, conf->elist_wwid,

 				pp->wwid) > 0) {

-			return 2;

+			return PATHINFO_SKIPPED;

 		}

 	}

@@ -1213,7 +1213,7 @@ pathinfo (struct path *pp, vector hwtabl

 		}

 	}

-	return 0;

+	return PATHINFO_OK;

 blank:

 	/*

Index: multipath-tools-130222/libmultipath/discovery.h

===================================================================

--- multipath-tools-130222.orig/libmultipath/discovery.h

+++ multipath-tools-130222/libmultipath/discovery.h

@@ -24,6 +24,10 @@

 #define SCSI_COMMAND_TERMINATED 0x22

 #define SG_ERR_DRIVER_SENSE     0x08

+#define PATHINFO_OK 0

+#define PATHINFO_FAILED 1

+#define PATHINFO_SKIPPED 2

+

 struct config;

 int sysfs_get_dev (struct udev_device *udev, char * buff, size_t len);

Index: multipath-tools-130222/multipath/main.c

===================================================================

--- multipath-tools-130222.orig/multipath/main.c

+++ multipath-tools-130222/multipath/main.c

@@ -343,7 +343,7 @@ configure (void)

 		/* maximum info */

 		di_flag = DI_ALL;

-	if (path_discovery(pathvec, conf, di_flag))

+	if (path_discovery(pathvec, conf, di_flag) < 0)

 		goto out;

 	if (conf->verbosity > 2)

Index: multipath-tools-130222/multipathd/main.c

===================================================================

--- multipath-tools-130222.orig/multipathd/main.c

+++ multipath-tools-130222/multipathd/main.c

@@ -1515,7 +1515,7 @@ configure (struct vectors * vecs, int st

 	struct multipath * mpp;

 	struct path * pp;

 	vector mpvec;

-	int i;

+	int i, ret;

 	if (!vecs->pathvec && !(vecs->pathvec = vector_alloc()))

 		return 1;

@@ -1529,7 +1529,9 @@ configure (struct vectors * vecs, int st

 	/*

 	 * probe for current path (from sysfs) and map (from dm) sets

 	 */

-	path_discovery(vecs->pathvec, conf, DI_ALL);

+	ret = path_discovery(vecs->pathvec, conf, DI_ALL);

+	if (ret < 0)

+		return 1;

 	vector_foreach_slot (vecs->pathvec, pp, i){

 		if (filter_path(conf, pp) > 0){