snapshot-merge target, quilt tree is maintained here: http://people.redhat.com/msnitzer/patches/snapshot-merge/kernel/2.6.32/ For userspace LVM2 support please see: http://people.redhat.com/msnitzer/patches/snapshot-merge/lvm2/LVM2-2.02.54/ Mike Snitzer (4): dm snapshot: add suspended flag to dm_snapshot dm snapshot: exception handover improvements dm exception store: snapshot-merge usage accounting dm snapshot: merge a linear region of chunks using one large IO Mikulas Patocka (13): dm snapshot: rework writing to snapshot origin dm snapshot: initial support for exception handover dm exception store: do not read metadata if going to handover exceptions dm exception store: add snapshot-merge specific methods dm snapshot: add snapshot-merge target dm snapshot: merge target should not allocate new exceptions dm snapshot: do not allow more than one merging snapshot. dm snapshot: the merge procedure dm snapshot: queue writes to an area that is actively being merged dm snapshot: do not merge a chunk until active writes to it finish dm snapshot: make exceptions in other snapshots when merging dm snapshot: make exceptions if merge is dispatching to origin dm snapshot: redirect accesses to origin if merging snap invalidated drivers/md/dm-exception-store.h | 33 ++- drivers/md/dm-snap-persistent.c | 96 ++++++- drivers/md/dm-snap-transient.c | 2 +- drivers/md/dm-snap.c | 687 ++++++++++++++++++++++++++++++++------- 4 files changed, 689 insertions(+), 129 deletions(-) -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
