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zfs: use VOP_NEED_INACTIVE
Needs ReviewPublic

Authored by mjg on Oct 23 2019, 5:59 PM.

Details

Reviewers
mmacy
avg
mav
Summary

See r351584 for reasoning.

Sample results from make -j 40 bzImage:

beforeafter
96630750 (lockmgr:zfs)17400445 (rw:vm object)
19971882 (rw:vm object)9008902 (sleep mutex:zio_write_issue)
10328270 (spin mutex:sleepq chain)8802655 (spin mutex:sleepq chain)
6159891 (sleep mutex:vnode interlock)4737875 (sx:zp->z_acl_lock)
5128765 (spin mutex:sched lock 33)4459105 (rw:pmap pv list)
4995571 (spin mutex:sched lock 11)4343860 (sx:rrl->rr_lock)
4942302 (rw:pmap pv list)2906398 (lockmgr:zfs)

Diff Detail

Lint
Lint Skipped
Unit
Unit Tests Skipped
Build Status
Buildable 27173