By properly linking the path groups with their parent multipath, we don't need this "hack" any more. Signed-off-by: Martin Wilck <mwilck@xxxxxxxx> --- libmultipath/dmparser.c | 2 +- libmultipath/pgpolicies.c | 11 ++++++----- libmultipath/print.c | 6 +++--- libmultipath/structs.c | 10 ++++++++++ libmultipath/structs.h | 3 ++- 5 files changed, 22 insertions(+), 10 deletions(-) diff --git a/libmultipath/dmparser.c b/libmultipath/dmparser.c index 027ae989781e..783c934f1154 100644 --- a/libmultipath/dmparser.c +++ b/libmultipath/dmparser.c @@ -267,7 +267,7 @@ int disassemble_map(vector pathvec, char *params, struct multipath *mpp, if (!pgp) goto out; - if (store_pathgroup(mpp->pg, pgp)) + if (add_pathgroup(mpp, pgp)) goto out; p += get_word(p, &word); diff --git a/libmultipath/pgpolicies.c b/libmultipath/pgpolicies.c index 4ae4afbccdb7..ac2596ada442 100644 --- a/libmultipath/pgpolicies.c +++ b/libmultipath/pgpolicies.c @@ -120,7 +120,7 @@ int group_by_node_name(struct multipath * mp) if (!pgp) goto out1; - if (store_pathgroup(mp->pg, pgp)) + if (add_pathgroup(mp, pgp)) goto out2; /* feed the first path */ @@ -196,7 +196,7 @@ int group_by_serial(struct multipath * mp) if (!pgp) goto out1; - if (store_pathgroup(mp->pg, pgp)) + if (add_pathgroup(mp, pgp)) goto out2; /* feed the first path */ @@ -254,7 +254,7 @@ int one_path_per_group(struct multipath *mp) if (!pgp) goto out; - if (store_pathgroup(mp->pg, pgp)) + if (add_pathgroup(mp, pgp)) goto out1; if (store_path(pgp->paths, pp)) @@ -293,7 +293,7 @@ int one_group(struct multipath *mp) /* aka multibus */ vector_free(pgp->paths); - if (store_pathgroup(mp->pg, pgp)) + if (add_pathgroup(mp, pgp)) goto out1; pgp->paths = mp->paths; @@ -367,8 +367,9 @@ int group_by_prio(struct multipath *mp) if (i < VECTOR_SIZE(mp->pg)) { if (!vector_insert_slot(mp->pg, i, pgp)) goto out2; + pgp->mpp = mp; } else { - if (store_pathgroup(mp->pg, pgp)) + if (add_pathgroup(mp, pgp)) goto out2; } diff --git a/libmultipath/print.c b/libmultipath/print.c index 27636c35e5ff..8fb5c5058965 100644 --- a/libmultipath/print.c +++ b/libmultipath/print.c @@ -476,7 +476,9 @@ snprint_pri (char * buff, size_t len, struct path * pp) static int snprint_pg_selector (char * buff, size_t len, struct pathgroup * pgp) { - return snprint_str(buff, len, pgp->selector); + const char *s = pgp->mpp->selector; + + return snprint_str(buff, len, s ? s : ""); } static int @@ -1030,7 +1032,6 @@ int snprint_multipath_topology(char *buff, int len, struct multipath *mpp, vector_foreach_slot (mpp->pg, pgp, j) { f=fmt; - pgp->selector = mpp->selector; /* hack */ if (j + 1 < VECTOR_SIZE(mpp->pg)) { strcpy(f, "|-+- " PRINT_PG_INDENT); } else @@ -1122,7 +1123,6 @@ snprint_multipath_fields_json (char * buff, int len, vector_foreach_slot (mpp->pg, pgp, i) { - pgp->selector = mpp->selector; fwd += snprint_pathgroup(buff + fwd, len - fwd, PRINT_JSON_GROUP, pgp); if (fwd >= len) return fwd; diff --git a/libmultipath/structs.c b/libmultipath/structs.c index 4caad2a40302..1ade1a6705ad 100644 --- a/libmultipath/structs.c +++ b/libmultipath/structs.c @@ -318,6 +318,16 @@ store_pathgroup (vector pgvec, struct pathgroup * pgp) return 0; } +int add_pathgroup(struct multipath *mpp, struct pathgroup *pgp) +{ + int ret = store_pathgroup(mpp->pg, pgp); + + if (ret) + return ret; + pgp->mpp = mpp; + return 0; +} + int store_hostgroup(vector hostgroupvec, struct host_group * hgp) { diff --git a/libmultipath/structs.h b/libmultipath/structs.h index b951c7b0e157..71b37cc20674 100644 --- a/libmultipath/structs.h +++ b/libmultipath/structs.h @@ -340,7 +340,7 @@ struct pathgroup { int priority; int enabled_paths; vector paths; - char * selector; + struct multipath *mpp; }; struct adapter_group { @@ -379,6 +379,7 @@ int store_hostgroup(vector hostgroupvec, struct host_group *hgp); int store_path (vector pathvec, struct path * pp); int store_pathgroup (vector pgvec, struct pathgroup * pgp); +int add_pathgroup(struct multipath*, struct pathgroup *); struct multipath * find_mp_by_alias (vector mp, const char * alias); struct multipath * find_mp_by_wwid (vector mp, char * wwid); -- 2.16.1 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel