Attachment 185875 Details for Bug 221906 – sys/cddl: Allow to modify the ZFS deadman sysctls after the system is up

[patch] sys/cddl: Allow to modify the ZFS deadman sysctls after the system is up

sys-cddl-Allow-to-modify-the-ZFS-deadman-sysctls-afte.diff (text/plain), 1.91 KB, created by Fabian Keil on 2017-08-29 12:58:46 UTC

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Creator: Fabian Keil

Created: 2017-08-29 12:58:46 UTC

Size: 1.91 KB

patch

obsolete

>From b15db19702815adacc68d337f5a7bdb293ebec14 Mon Sep 17 00:00:00 2001
>From: Fabian Keil <fk@fabiankeil.de>
>Date: Fri, 3 Jul 2015 17:07:24 +0200
>Subject: [PATCH] sys/cddl: Allow to modify the ZFS deadman sysctls after the
> system is up
>
>There does not seem to be a technical reason why it shouldn't
>be done and being able to temporarily disable the deadman
>is useful when importing a pool that is backed by remote
>storage (such as ggated running as onion service).
>
>Obtained from: ElectroBSD
>---
> sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
>index c700a0ffd74f..f660cbc979bb 100644
>--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
>+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
>@@ -358,13 +358,13 @@ SYSCTL_PROC(_vfs_zfs, OID_AUTO, debugflags,
>     CTLTYPE_UINT | CTLFLAG_MPSAFE | CTLFLAG_RWTUN, 0, sizeof(int),
>     sysctl_vfs_zfs_debug_flags, "IU", "Debug flags for ZFS testing.");
> 
>-SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, deadman_synctime_ms, CTLFLAG_RDTUN,
>+SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, deadman_synctime_ms, CTLFLAG_RWTUN,
>     &zfs_deadman_synctime_ms, 0,
>     "Stalled ZFS I/O expiration time in milliseconds");
>-SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, deadman_checktime_ms, CTLFLAG_RDTUN,
>+SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, deadman_checktime_ms, CTLFLAG_RWTUN,
>     &zfs_deadman_checktime_ms, 0,
>     "Period of checks for stalled ZFS I/O in milliseconds");
>-SYSCTL_INT(_vfs_zfs, OID_AUTO, deadman_enabled, CTLFLAG_RDTUN,
>+SYSCTL_INT(_vfs_zfs, OID_AUTO, deadman_enabled, CTLFLAG_RWTUN,
>     &zfs_deadman_enabled, 0, "Kernel panic on stalled ZFS I/O");
> SYSCTL_INT(_vfs_zfs, OID_AUTO, spa_asize_inflation, CTLFLAG_RWTUN,
>     &spa_asize_inflation, 0, "Worst case inflation factor for single sector writes");
>-- 
>2.14.1
>

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Attachments on bug 221906: 185875