PC-BSD/trueos 28e4f4ccddl/contrib/opensolaris/cmd/zfs zfs.8 zfs_main.c, cddl/contrib/opensolaris/lib/libzfs/common libzfs_sendrecv.c libzfs.h

MFZoL: Add -vnP support to 'zfs send' for bookmarks

zfsonlinux/zfs at 835db58592d7d947e5818eb7281882e2a46073e0

We have long supported estimating a size of an incremental stream from a
snapshot.  We should do the same for bookmarks as well.

Obtained from:  ZoL
Author:         loli10K <ezomori.nozomu at gmail.com>
MFC after:      3 days
DeltaFile
+36-15cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
+23-4cddl/contrib/opensolaris/cmd/zfs/zfs.8
+4-13cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
+1-1cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
+64-334 files

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