Author: allanjude
Date: Wed Jun 5 20:27:26 2019
New Revision: 348702
URL: https://svnweb.freebsd.org/changeset/base/348702
Log:
MFC r348068, r348071
r348068:
ZFS: Make deadman tunables no longer read-only
This allows the user to enable, disable, and adjust the I/O deadman at
runtime. This can be especially useful when a pool is backed by remote
storage (such as iscsi, ggated, etc).
PR: 221906
Submitted by: Fabian Keil <f...@fabiankeil.de>
Obtained from: ElectroBSD
Sponsored by: Klara Systems
Event: Waterloo Hackathon 2019
r348071:
Fix typo in r348068
Sponsored by: Klara Systems
Modified:
stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
==============================================================================
--- stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c Wed Jun
5 20:21:17 2019 (r348701)
+++ stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c Wed Jun
5 20:27:26 2019 (r348702)
@@ -363,13 +363,13 @@ 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");
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