fc581e0507
5515 dataset user hold doesn't reject empty tags Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com> Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com> Approved by: Matthew Ahrens <mahrens@delphix.com> References: https://www.illumos.org/issues/5515 https://github.com/illumos/illumos-gate/commit/752fd8d Ported-by: kernelOfTruth kerneloftruth@gmail.com Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>