--- 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){