3f586250d8
Continues what was started in 7801 add more by-dnode routines by fully converting zvols to avoid unnecessary dnode_hold() calls. This saves a small amount of CPU time and slightly improves latencies of operations on zvols. illumos/illumos-gate@8dfe5547fb Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed by: Rick McNeal <rick.mcneal@nexenta.com> Approved by: Dan McDonald <danmcd@joyent.com> Author: Richard Yao <richard.yao@prophetstor.com> |
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