From: Greg KH on
2.6.33-stable review patch. If anyone has any objections, please let me know.


From: Mike Snitzer <snitzer(a)>

commit 0f3649a9e305ea22eb196a84a2d7520afcaa6060 upstream.

Only issue a uevent on a resume if the state of the device changed,
i.e. if it was suspended and/or its table was replaced.

Signed-off-by: Dave Wysochanski <dwysocha(a)>
Signed-off-by: Mike Snitzer <snitzer(a)>
Signed-off-by: Alasdair G Kergon <agk(a)>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)>

drivers/md/dm-ioctl.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -897,16 +897,17 @@ static int do_resume(struct dm_ioctl *pa
set_disk_ro(dm_disk(md), 1);

- if (dm_suspended_md(md))
+ if (dm_suspended_md(md)) {
r = dm_resume(md);
+ if (!r)
+ dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr);
+ }

if (old_map)

- if (!r) {
- dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr);
+ if (!r)
r = __dev_status(md, param);
- }

return r;

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo(a)
More majordomo info at
Please read the FAQ at