zfs crypto discuss - Mar 2008 - first stab at unmount at key unload, fix some error messages, reordering, cleanup & some linting

Author: Anthony Scarpino <Anthony.Scarpino at Sun.COM>
Repository: /hg/zfs-crypto/gate
Latest revision: 8b50c4e4998e19fa0670c383d9b2f8a6d7d9dd40
Total changesets: 1
Log message:
first stab at unmount at key unload, fix some error messages, reordering,
cleanup & some linting

Files:
	update: usr/src/lib/libzfs/common/libzfs.h
	update: usr/src/lib/libzfs/common/libzfs_crypto.c
	update: usr/src/lib/libzfs/common/libzfs_dataset.c
	update: usr/src/lib/libzfs/common/libzfs_mount.c
	update: usr/src/lib/pam_modules/zfs_key/zfs_key.c