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Manage.c: Only issue change events for kernels older than 2.6.28 

2.6.28+ kernels handle this themselves and issuing the event here can
cause a race.

Reported-by: Sebastian Parschauer <sebastian.riemer@profitbricks.com>
Suggested-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
This commit is contained in:
Jes Sorensen 2016-02-16 16:58:36 -05:00
parent dd47b4e0c4
commit 229e66cb96
1 changed files with 11 additions and 8 deletions
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19
Manage.c
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@ -493,14 +493,17 @@ done:
rv = 1;
goto out;
}
/* prior to 2.6.28, KOBJ_CHANGE was not sent when an md array
* was stopped, so We'll do it here just to be sure. Drop any
* partitions as well...
*/
if (fd >= 0)
ioctl(fd, BLKRRPART, 0);
if (mdi)
sysfs_uevent(mdi, "change");
if (get_linux_version() < 2006028) {
/* prior to 2.6.28, KOBJ_CHANGE was not sent when an md array
* was stopped, so We'll do it here just to be sure. Drop any
* partitions as well...
*/
if (fd >= 0)
ioctl(fd, BLKRRPART, 0);
if (mdi)
sysfs_uevent(mdi, "change");
}
if (devnm[0] && use_udev()) {
struct map_ent *mp = map_by_devnm(&map, devnm);