Author: asomers
Date: Thu Apr 21 16:43:15 2016
New Revision: 298420
URL: https://svnweb.freebsd.org/changeset/base/298420
Log:
Notify userspace listeners when geom disk attributes have changed
sys/geom/geom_disk.c:
disk_attr_changed(): Generate a devctl event of type GEOM:<attr> for
every call.
MFC after: 4 weeks
Sponsored by: Spectra Logic Corp
Differential Revision: https://reviews.freebsd.org/D5952
Modified:
head/sys/geom/geom_disk.c
Modified: head/sys/geom/geom_disk.c
==============================================================================
--- head/sys/geom/geom_disk.c Thu Apr 21 16:33:42 2016 (r298419)
+++ head/sys/geom/geom_disk.c Thu Apr 21 16:43:15 2016 (r298420)
@@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <sys/bio.h>
+#include <sys/bus.h>
#include <sys/ctype.h>
#include <sys/fcntl.h>
#include <sys/malloc.h>
@@ -839,11 +840,14 @@ disk_attr_changed(struct disk *dp, const
{
struct g_geom *gp;
struct g_provider *pp;
+ char devnamebuf[128];
gp = dp->d_geom;
if (gp != NULL)
LIST_FOREACH(pp, &gp->provider, provider)
(void)g_attr_changed(pp, attr, flag);
+ snprintf(devnamebuf, 128, "devname=%s%d", dp->d_name, dp->d_unit);
+ devctl_notify("GEOM", "disk", attr, devnamebuf);
}
void
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