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MFC r236823 (pjd):
authormm <mm@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 27 Jun 2012 12:00:35 +0000 (12:00 +0000)
committermm <mm@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 27 Jun 2012 12:00:35 +0000 (12:00 +0000)
commita9e95ef00a3eadce83c67afd9c3693468dcd37a2
tree2a763cb12d8fae2b6d853c663205a400e00d715btree | snapshot
parent2a421f9aae6b4583f6df86784ccbabd97de278accommit | diff
MFC r236823 (pjd):

ds_guid of 0 is special, as it is used by snapshot receive code to
differentiate between an incremental and full stream.
Be sure not to generate guid equal to 0.

Reported by: someone who saw 0 being generated as 64bit random guid

git-svn-id: svn://svn.freebsd.org/base/stable/8@237644 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c diff | blob | history
8-STABLE