[Bug 252396] [zfs] [panic] Panic on 'bectl list' after slog removal
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Mon Feb 22 17:28:12 UTC 2021
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252396
--- Comment #6 from commit-hook at FreeBSD.org ---
A commit in branch stable/13 references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=64649f0285424435634c2dfd39f49536fc2b50dd
commit 64649f0285424435634c2dfd39f49536fc2b50dd
Author: Martin Matuska <mm at FreeBSD.org>
AuthorDate: 2021-02-22 17:05:07 +0000
Commit: Martin Matuska <mm at FreeBSD.org>
CommitDate: 2021-02-22 17:26:12 +0000
zfs: fix panic if scrubbing after removing a slog device
From openzfs-master 11f2e9a4 commit message:
vdev_ops: don't try to call vdev_op_hold or vdev_op_rele when NULL
This prevents a panic after a SLOG add/removal on the root pool followed
by a zpool scrub.
When a SLOG is removed, a hole takes its place - the vdev_ops for a hole
is vdev_hole_ops, which defines the handler functions of vdev_op_hold
and vdev_op_rele as NULL.
Patch Author: Patrick Mooney <pmooney at pfmooney.com>
Obtained from: openzfs/zfs at 11f2e9a491baa2ae3fc00f6b8b892fa91a852ca1
PR: 252396
MFS after: 3 days
(direct commit)
sys/contrib/openzfs/module/zfs/vdev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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