2882 implement libzfs_core
2883 changing "canmount" property to "on" should not always remount dataset
2900 "zfs snapshot" should be able to create multiple, arbitrary snapshots at once
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Chris Siden <christopher.siden@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Bill Pijewski <wdp@joyent.com>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>

*** 16,30 ****
  # fields enclosed by brackets "[]" replaced with your own identifying
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
- #
  # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
- # Copyright 2010 Nexenta Systems, Inc. All rights reserved.
  # Use is subject to license terms.
  #
  
  PROG=           zfs
  OBJS=           zfs_main.o zfs_iter.o
  SRCS=           $(OBJS:%.o=%.c)
  POFILES=        zfs_main.po zfs_iter.po
--- 16,31 ----
  # fields enclosed by brackets "[]" replaced with your own identifying
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright 2010 Nexenta Systems, Inc. All rights reserved.
+ # Copyright (c) 2012 by Delphix. All rights reserved.
+ #
  
  PROG=           zfs
  OBJS=           zfs_main.o zfs_iter.o
  SRCS=           $(OBJS:%.o=%.c)
  POFILES=        zfs_main.po zfs_iter.po
*** 36,46 ****
  FSTYPE=         zfs
  LINKPROGS=      mount umount
  ROOTETCFSTYPE=  $(ROOTETC)/fs/$(FSTYPE)
  USRLIBFSTYPE=   $(ROOTLIB)/fs/$(FSTYPE)
  
! LDLIBS += -lzfs -luutil -lumem -lnvpair -lsec -lidmap
  
  INCS += -I../../common/zfs
  
  C99MODE=        -xc99=%all
  C99LMODE=       -Xc99=%all
--- 37,47 ----
  FSTYPE=         zfs
  LINKPROGS=      mount umount
  ROOTETCFSTYPE=  $(ROOTETC)/fs/$(FSTYPE)
  USRLIBFSTYPE=   $(ROOTLIB)/fs/$(FSTYPE)
  
! LDLIBS += -lzfs_core -lzfs -luutil -lumem -lnvpair -lsec -lidmap
  
  INCS += -I../../common/zfs
  
  C99MODE=        -xc99=%all
  C99LMODE=       -Xc99=%all