android_kernel_motorola_sm6375/Documentation/device-mapper
Repository files (latest commit first)
Filename Latest commit message Latest commit date
Heinz Mauelshagen 11e4723206 dm raid: stop keeping raid set frozen altogether
In order to avoid redoing synchronization/recovery/reshape partially,
the raid set got frozen until after all passed in table line flags had
been cleared.  The related table reload sequence had to be precisely
followed, or reshaping may lead to data corruption caused by the active
mapping carrying on with a reshape when the inactive mapping already
had retrieved a stale reshape position.

Harden by retrieving the actual resync/recovery/reshape position
during resume whilst the active table is suspended thus avoiding
to keep the raid set frozen altogether.  This prevents superfluous
redoing of an already resynchronized or recovered segment and,
most importantly, potential for redoing of an already reshaped
segment causing data corruption.

Fixes: d39f0010e ("dm raid: fix raid_resume() to keep raid set frozen as needed")
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2017-12-13 11:52:02 -05:00
..
cache-policies.txt
cache.txt Documentation: device-mapper: cache.txt: Fix typos 2017-03-19 09:16:07 -06:00
delay.txt Documentation/device-mapper: s/getsize/getsz/ 2016-12-14 10:54:27 +01:00
dm-crypt.txt dm crypt: optionally support larger encryption sector size 2017-03-24 15:54:21 -04:00
dm-flakey.txt
dm-integrity.txt dm integrity: support larger block sizes 2017-04-24 12:04:33 -04:00
dm-io.txt
dm-log.txt
dm-queue-length.txt
dm-raid.txt dm raid: stop keeping raid set frozen altogether 2017-12-13 11:52:02 -05:00
dm-service-time.txt
dm-uevent.txt
dm-zoned.txt dm zoned: drive-managed zoned block device target 2017-06-19 11:05:20 -04:00
era.txt
kcopyd.txt
linear.txt Documentation/device-mapper: s/getsize/getsz/ 2016-12-14 10:54:27 +01:00
log-writes.txt
persistent-data.txt
snapshot.txt
statistics.txt
striped.txt Documentation/device-mapper: s/getsize/getsz/ 2016-12-14 10:54:27 +01:00
switch.txt Documentation/device-mapper: s/getsize/getsz/ 2016-12-14 10:54:27 +01:00
thin-provisioning.txt
verity.txt
zero.txt