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| author | Mike Snitzer <snitzer@redhat.com> | 2010-03-06 02:32:24 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-15 09:07:08 -0700 |
| commit | 6c46bff05fb1889ff5581dcd7274db69fd4a4da3 (patch) | |
| tree | 63c64d2ba874db5de8a16097276bb568a4c10101 | |
| parent | f64089821be953b9b5b5ff49172780c929786614 (diff) | |
| download | lwn-6c46bff05fb1889ff5581dcd7274db69fd4a4da3.tar.gz lwn-6c46bff05fb1889ff5581dcd7274db69fd4a4da3.zip | |
dm ioctl: only issue uevent on resume if state changed
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@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/md/dm-ioctl.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 1d669322b27c..e3cf5686d0aa 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -897,16 +897,17 @@ static int do_resume(struct dm_ioctl *param) 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) dm_table_destroy(old_map); - if (!r) { - dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr); + if (!r) r = __dev_status(md, param); - } dm_put(md); return r; |