[Bug 229614] ZFS lockup in zil_commit_impl

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Oct 10 19:40:55 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229614

--- Comment #23 from commit-hook at freebsd.org ---
A commit references this bug:

Author: allanjude
Date: Wed Oct 10 19:39:47 UTC 2018
New revision: 339289
URL: https://svnweb.freebsd.org/changeset/base/339289

Log:
  Resolve a hang in ZFS during vnode reclaimation

  This is caused by a deadlock between zil_commit() and zfs_zget()

  Add a way for zfs_zget() to break out of the retry loop in the common case

  PR:           229614
  Reported by:  grembo, Andreas Sommer, many others
  Tested by:    Andreas Sommer, Vicki Pfau
  Reviewed by:  avg (no objection)
  Approved by:  re (gjb)
  MFC after:    2 months
  Sponsored by: Klara Systems
  Differential Revision:        https://reviews.freebsd.org/D17460

Changes:
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c

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