Working on adding SA
Add in pool version=24+ (System Attributes) that was missed out in first port.
Remove old "z_phys" node, add in zfs_sa, zfs_acl, zfs_replay to handle SA
loading. Currently, create and import work, but umount is now broken.
vnops getattr and mkdir are tested, but the rest are unknown.
Merge branch 'SA' remove some debug prints. 'files' will show as directories.
zfs_acl_ids_create was starting from wrong z_mode, making all vtype=0.
sizes reported in dir listing (getattr) was wrong.
Update zfs_write to newer code.
Requires new spl (uiocopy).
* One too manu dmu_hold in zfs_write
* blkzs set to zero resulting in IO hang. Temporary work around
* Various BULK fixes
Clean up the umount procedure, allowing for umount to work again.
Manual umount followed by export works, but export on its own does not.
This is a problem with userland mnttab wrappers somewhere.
Clean up the umount procedure, allowing for umount to work again.
Manual umount followed by export works, but export on its own does not.
This is a problem with userland mnttab wrappers somewhere.

Remove source dirt
Remove source dirt

Merge branch 'master' of github.com:zfs-osx/zfs

Conflicts:
	module/zfs/zfs_vnops.c
Moderate improvement, large IO will generally complete. Rsync will die
after about a dozen entries. File dates are incorrect.
Fix blksz not being set after change.
Use zfsvfs->z_assign to set WAIT/NOWAIT
Fix calls to inactive, znode_free, znode_delete and reclaim
Write VNOP wrappers for OSX to leave ZFS functions close to upstream. More
work needed here, as they still use componentname.
Roll back vnop_wrapper, they were poor version of Will's. Fix mkdir and
symlink. Add prints around known sa_buf problem. Update AUTHORS for fun.
Fixed compiling with --enable-debug.