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Mikulas Patocka d698aa4500 dm snapshot: add merge target ... The snapshot-merge target allows a snapshot to be merged back into the snapshot's origin device. One anticipated use of snapshot merging is the rollback of filesystems to back out problematic system upgrades. This patch adds snapshot-merge target management to both dm_snapshot_init() and dm_snapshot_exit(). As an initial place-holder, snapshot-merge is identical to the snapshot target. Documentation is provided. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>		2009-12-10 23:52:30 +00:00
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delay.txt
dm-crypt.txt
dm-io.txt
dm-log.txt	dm raid1: add userspace log	2009-06-22 10:12:35 +01:00
dm-queue-length.txt
dm-service-time.txt	dm mpath: add service time load balancer	2009-06-22 10:12:28 +01:00
dm-uevent.txt
kcopyd.txt
linear.txt
snapshot.txt	dm snapshot: add merge target	2009-12-10 23:52:30 +00:00
striped.txt
zero.txt