1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
---
libmultipath/configure.c | 30 ++++++++++++++++++++++++++++--
libmultipath/wwids.c | 4 ++--
multipath/main.c | 2 +-
3 files changed, 31 insertions(+), 5 deletions(-)
Index: multipath-tools-130222/libmultipath/configure.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/configure.c
+++ multipath-tools-130222/libmultipath/configure.c
@@ -38,6 +38,7 @@
#include "util.h"
#include "uxsock.h"
#include "wwids.h"
+#include "sysfs.h"
/* group paths in pg by host adapter
*/
@@ -569,6 +570,29 @@ fail:
return 1;
}
+static void
+trigger_uevents (struct multipath *mpp)
+{
+ struct pathgroup * pgp;
+ struct path * pp;
+ int i, j;
+
+ if (!mpp || !mpp->pg)
+ return;
+
+ vector_foreach_slot (mpp->pg, pgp, i) {
+ if (!pgp->paths)
+ continue;
+ vector_foreach_slot(pgp->paths, pp, j) {
+ if (!pp->udev)
+ continue;
+ sysfs_attr_set_value(pp->udev, "uevent", "change",
+ strlen("change"));
+ }
+ }
+}
+
+
/*
* Return value:
*/
@@ -658,8 +682,10 @@ domap (struct multipath * mpp, char * pa
* DM_DEVICE_CREATE, DM_DEVICE_RENAME, or DM_DEVICE_RELOAD
* succeeded
*/
- if (mpp->action == ACT_CREATE)
- remember_wwid(mpp->wwid);
+ if (mpp->action == ACT_CREATE) {
+ if (remember_wwid(mpp->wwid) == 1)
+ trigger_uevents(mpp);
+ }
if (!conf->daemon) {
/* multipath client mode */
dm_switchgroup(mpp->alias, mpp->bestpg);
Index: multipath-tools-130222/libmultipath/wwids.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/wwids.c
+++ multipath-tools-130222/libmultipath/wwids.c
@@ -310,7 +310,7 @@ remember_wwid(char *wwid)
}
else
condlog(4, "wwid %s already in wwids file", wwid);
- return 0;
+ return ret;
}
int remember_cmdline_wwid(void)
@@ -344,7 +344,7 @@ int remember_cmdline_wwid(void)
next++;
}
if (strlen(ptr)) {
- if (remember_wwid(ptr) != 0)
+ if (remember_wwid(ptr) < 0)
ret = -1;
}
else {
Index: multipath-tools-130222/multipath/main.c
===================================================================
--- multipath-tools-130222.orig/multipath/main.c
+++ multipath-tools-130222/multipath/main.c
@@ -303,7 +303,7 @@ configure (void)
}
if (conf->cmd == CMD_ADD_WWID) {
r = remember_wwid(refwwid);
- if (r == 0)
+ if (r >= 0)
printf("wwid '%s' added\n", refwwid);
else
printf("failed adding '%s' to wwids file\n",
|