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Brian Behlendorf
3b8cfee8af
While not strictly required to mount a zfs filesystem using a mount helper has certain advantages. First, we need it if we want to honor the mount behavior as found on Solaris. As part of the mount we need to validate that the dataset has the legacy mount property set if we are using 'mount' instead of 'zfs mount'. Secondly, by using a mount helper we can automatically load the zpl kernel module. This way you can just issue a 'mount' or 'zfs mount' and it will just work. Finally, it gives us common hook in user space to add any zfs specific mount options we might want. At the moment we don't have any but now the infrastructure is at least in place.
Native ZFS for Linux! ZFS is an advanced file system and volume manager which was originally developed for Solaris. It has been successfully ported to FreeBSD and now there is a functional Linux ZFS kernel port too. The port currently includes a fully functional and stable SPA, DMU, and ZVOL with a ZFS Posix Layer (ZPL) on the way!
$ ./configure
$ make pkg
Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org