Commit b15546f9 authored by Mike Anderson's avatar Mike Anderson Committed by Alasdair G Kergon
Browse files

dm mpath: send uevents 



This patch adds calls to dm_path_event for a failed path and a reinstated
path.

Signed-off-by: default avatarMike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 7a8c3d3b

drivers/md/dm-mpath.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -10,6 +10,7 @@ 
#include "dm-hw-handler.h"

#include "dm-hw-handler.h"

#include "dm-bio-list.h"

#include "dm-bio-list.h"

#include "dm-bio-record.h"

#include "dm-bio-record.h"

#include "dm-uevent.h"





#include <linux/ctype.h>

#include <linux/ctype.h>

#include <linux/init.h>

#include <linux/init.h>
@@ -857,6 +858,9 @@ static int fail_path(struct pgpath *pgpath) 
	if (pgpath == m->current_pgpath)

	if (pgpath == m->current_pgpath)

		m->current_pgpath = NULL;

		m->current_pgpath = NULL;





	dm_path_uevent(DM_UEVENT_PATH_FAILED, m->ti,

		      pgpath->path.dev->name, m->nr_valid_paths);



	queue_work(kmultipathd, &m->trigger_event);

	queue_work(kmultipathd, &m->trigger_event);





out:

out:
@@ -896,6 +900,9 @@ static int reinstate_path(struct pgpath *pgpath) 
	if (!m->nr_valid_paths++ && m->queue_size)

	if (!m->nr_valid_paths++ && m->queue_size)

		queue_work(kmultipathd, &m->process_queued_ios);

		queue_work(kmultipathd, &m->process_queued_ios);





	dm_path_uevent(DM_UEVENT_PATH_REINSTATED, m->ti,

		      pgpath->path.dev->name, m->nr_valid_paths);



	queue_work(kmultipathd, &m->trigger_event);

	queue_work(kmultipathd, &m->trigger_event);





out:

out: