git: 31e456e012e5 - stable/14 - geom: zero: Let sysctls .byte and .clear to be settable in loader

From: Mateusz Piotrowski <0mp_at_FreeBSD.org>
Date: Fri, 31 Oct 2025 11:34:50 UTC
The branch stable/14 has been updated by 0mp:

URL: https://cgit.FreeBSD.org/src/commit/?id=31e456e012e5dc59dbe5ea8829db97153d0cab16

commit 31e456e012e5dc59dbe5ea8829db97153d0cab16
Author:     Mateusz Piotrowski <0mp@FreeBSD.org>
AuthorDate: 2025-09-27 15:21:13 +0000
Commit:     Mateusz Piotrowski <0mp@FreeBSD.org>
CommitDate: 2025-10-31 11:34:47 +0000

    geom: zero: Let sysctls .byte and .clear to be settable in loader
    
    There is no reason to not allow kern.geom.zero.byte and
    kern.geom.zero.clear to be settable as a tunable.
    
    Reviewed by:    imp, markj
    Approved by:    markj (mentor)
    MFC after:      1 week
    Event:          EuroBSDCon 2025
    Differential Revision:  https://reviews.freebsd.org/D52763
    
    (cherry picked from commit ae17bca63f0a03e6e46ea679a5be7f8851f82099)
---
 sys/geom/zero/g_zero.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/geom/zero/g_zero.c b/sys/geom/zero/g_zero.c
index 66cc884fab56..be31cc794cb5 100644
--- a/sys/geom/zero/g_zero.c
+++ b/sys/geom/zero/g_zero.c
@@ -47,11 +47,11 @@ static SYSCTL_NODE(_kern_geom, OID_AUTO, zero, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
     "GEOM_ZERO stuff");
 static int g_zero_clear = 1;
 SYSCTL_PROC(_kern_geom_zero, OID_AUTO, clear,
-    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &g_zero_clear, 0,
+    CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, &g_zero_clear, 0,
     g_zero_clear_sysctl, "I",
     "Clear read data buffer");
 static int g_zero_byte = 0;
-SYSCTL_INT(_kern_geom_zero, OID_AUTO, byte, CTLFLAG_RW, &g_zero_byte, 0,
+SYSCTL_INT(_kern_geom_zero, OID_AUTO, byte, CTLFLAG_RWTUN, &g_zero_byte, 0,
     "Byte (octet) value to clear the buffers with");
 
 static struct g_provider *gpp;