Tomasz Chmielewski wrote: > At the beginning of August, Mikulas Patocka posted to linux-kernel > mailing list about adding snapshot merging to LVM[1]. > > Basicaly, snapshot merging means that it is possible to turn a snapshot > back into its origin. > > Using LVM, however, means that you need to have free place outside of > the filesystem (i.e., in physical volume) to make snapshots, which is > not always possible on workstations and some servers. > > Is something similar available, or planned, for btrfs? I didn't find > anything similar on "btrfs design" page in the wiki. > Writeable snapshot has been available in btrfs for a long time. > > [1] http://kerneltrap.org/Linux/LVM_Snapshot_Merging > Writeable snapshot means you can mount/modify snapshots as you like. In other words, btrfs does snapshot merging automatically. Yan Zheng -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
