On Wed, Aug 31, 2016 at 3:44 PM, Thomas Keiser <[email protected]> wrote:
> Hi Chip, > > What do you mean by "controlling zfs"? The answer to your question > will depend on your requirements. If you're looking to do anything beyond > checking dataset existence, creating datasets[1], snapshot, > clone, destroying snaps, send, receive, rollback[2], managing bookmarks, > or managing holds, you're going to find libzfs_core lacking. > > At my last gig, I built a C++ abstraction layer on top of libzfs_core, > libzfs, and libzpool, preferring the _core interfaces wherever > extant (since they are MT-safe). If you're willing to deal with the > complexity of libzfs and libzpool, it's possible to build quite complex > pool and dataset management applications in C/C++ on top of the zfs apis > (we were building an async replicated geographically distributed object > store for a DR product.) > I agree with Tom. We've done something similar with our produce, but using Java / JNA to connect with libzfs_core and libzfs (not sure why you'd use libzpool). There's also work ongoing to add more functionality to libzfs_core, in particular https://github.com/zfsonlinux/zfs/pull/3907 --matt > > Cheers, > > -Tom > > [1] (NB: for zpl, lzc_create does not imply mount -- after all, this > involves a complicated sequence of vfs ops that should be done separately > by the user in the sequence desired) > > [2] as with [1], only the dsl layer stuff: no vfs ops are performed > > On Wednesday, August 31, 2016, Schweiss, Chip <[email protected]> wrote: > >> What is the status of libzfs_core? I haven't seen any chatter on it in >> a while. >> >> Is this the recommended way for building applications that will control >> ZFS directly or should I be looking at other approaches? >> >> Thanks! >> -Chip >> > > > -- > Tom Keiser > [email protected] > *openzfs-developer* | Archives > <https://www.listbox.com/member/archive/274414/=now> > <https://www.listbox.com/member/archive/rss/274414/28015287-49e52ff8> | > Modify > <https://www.listbox.com/member/?&;> > Your Subscription <http://www.listbox.com> > ------------------------------------------- openzfs-developer Archives: https://www.listbox.com/member/archive/274414/=now RSS Feed: https://www.listbox.com/member/archive/rss/274414/28015062-cce53afa Modify Your Subscription: https://www.listbox.com/member/?member_id=28015062&id_secret=28015062-f966d51c Powered by Listbox: http://www.listbox.com
