The patch adds a "-a" option to multipath, that allows it to add wwids
to the /etc/multipath wwids file.
Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
libmultipath/config.h | 1 +
multipath/main.c | 17 +++++++++++++++--
multipath/multipath.8 | 5 ++++-
3 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/libmultipath/config.h b/libmultipath/config.h
index eb23820..ac7c58e 100644
--- a/libmultipath/config.h
+++ b/libmultipath/config.h
@@ -30,6 +30,7 @@ enum mpath_cmds {
CMD_VALID_PATH,
CMD_REMOVE_WWID,
CMD_RESET_WWIDS,
+ CMD_ADD_WWID,
};
struct hwentry {
diff --git a/multipath/main.c b/multipath/main.c
index 54b2a74..157475e 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -84,7 +84,7 @@ usage (char * progname)
{
fprintf (stderr, VERSION_STRING);
fprintf (stderr, "Usage:\n");
- fprintf (stderr, " %s [-c|-w|-W] [-d] [-r] [-v lvl] [-p pol] [-b fil] [-q] [dev]\n", progname);
+ fprintf (stderr, " %s [-a|-c|-w|-W] [-d] [-r] [-v lvl] [-p pol] [-b fil] [-q] [dev]\n", progname);
fprintf (stderr, " %s -l|-ll|-f [-v lvl] [-b fil] [dev]\n", progname);
fprintf (stderr, " %s -F [-v lvl]\n", progname);
fprintf (stderr, " %s -t\n", progname);
@@ -97,6 +97,7 @@ usage (char * progname)
" -ll show multipath topology (maximum info)\n" \
" -f flush a multipath device map\n" \
" -F flush all multipath device maps\n" \
+ " -a add a device wwid to the wwids file\n" \
" -c check if a device should be a path in a multipath device\n" \
" -q allow queue_if_no_path when multipathd is not running\n"\
" -d dry run, do not create or update devmaps\n" \
@@ -295,6 +296,15 @@ configure (void)
}
goto out;
}
+ if (conf->cmd == CMD_ADD_WWID) {
+ r = remember_wwid(refwwid);
+ if (r == 0)
+ printf("wwid '%s' added\n", refwwid);
+ else
+ printf("failed adding '%s' to wwids file\n",
+ refwwid);
+ goto out;
+ }
condlog(3, "scope limited to %s", refwwid);
if (conf->cmd == CMD_VALID_PATH) {
if (check_wwids_file(refwwid, 0) == 0){
@@ -435,7 +445,7 @@ main (int argc, char *argv[])
if (load_config(DEFAULT_CONFIGFILE, udev))
exit(1);
- while ((arg = getopt(argc, argv, ":dchl::FfM:v:p:b:BrtqwW")) != EOF ) {
+ while ((arg = getopt(argc, argv, ":adchl::FfM:v:p:b:BrtqwW")) != EOF ) {
switch(arg) {
case 1: printf("optarg : %s\n",optarg);
break;
@@ -505,6 +515,9 @@ main (int argc, char *argv[])
case 'W':
conf->cmd = CMD_RESET_WWIDS;
break;
+ case 'a':
+ conf->cmd = CMD_ADD_WWID;
+ break;
case ':':
fprintf(stderr, "Missing option argument\n");
usage(argv[0]);
diff --git a/multipath/multipath.8 b/multipath/multipath.8
index a2262ac..b6479b1 100644
--- a/multipath/multipath.8
+++ b/multipath/multipath.8
@@ -8,7 +8,7 @@ multipath \- Device mapper target autoconfig
.RB [\| \-b\ \c
.IR bindings_file \|]
.RB [\| \-d \|]
-.RB [\| \-h | \-l | \-ll | \-f | \-t | \-F | \-B | \-c | \-q | \|-r | \-w | \-W \|]
+.RB [\| \-h | \-l | \-ll | \-f | \-t | \-F | \-B | \-c | \-q | \|-r | \-a | \-w | \-W \|]
.RB [\| \-p\ \c
.BR failover | multibus | group_by_serial | group_by_prio | group_by_node_name \|]
.RB [\| device \|]
@@ -68,6 +68,9 @@ check if a block device should be a path in a multipath device
.B \-q
allow device tables with queue_if_no_path when multipathd is not running
.TP
+.B \-a
+add the wwid for the specified device to the wwids file
+.TP
.B \-w
remove the wwid for the specified device from the wwids file
.TP
--
1.8.3.1
--
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