cherry-pick fix for data corruption

[zfsonlinux.git] / debian / patches / 0017-zfs-2.2.1-Disable-block-cloning-by-default.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tony Hutter <hutter2@llnl.gov>
Date: Thu, 16 Nov 2023 11:42:19 -0800
Subject: [PATCH] zfs-2.2.1: Disable block cloning by default

Disable block cloning by default to mitigate possible data corruption
(see #15529 and #15526).

Signed-off-by: Tony Hutter <hutter2@llnl.gov>
(cherry picked from commit 479dca51c66a731e637bd2d4f9bba01a05f9ac9f)
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
---
 module/os/freebsd/zfs/zfs_vfsops.c   | 2 +-
 module/os/linux/zfs/zpl_file_range.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/module/os/freebsd/zfs/zfs_vfsops.c b/module/os/freebsd/zfs/zfs_vfsops.c
index 09e18de81..0ac670ed9 100644
--- a/module/os/freebsd/zfs/zfs_vfsops.c
+++ b/module/os/freebsd/zfs/zfs_vfsops.c
@@ -89,7 +89,7 @@ int zfs_debug_level;
 SYSCTL_INT(_vfs_zfs, OID_AUTO, debug, CTLFLAG_RWTUN, &zfs_debug_level, 0,
 	"Debug level");
 
-int zfs_bclone_enabled = 1;
+int zfs_bclone_enabled = 0;
 SYSCTL_INT(_vfs_zfs, OID_AUTO, bclone_enabled, CTLFLAG_RWTUN,
 	&zfs_bclone_enabled, 0, "Enable block cloning");
 
diff --git a/module/os/linux/zfs/zpl_file_range.c b/module/os/linux/zfs/zpl_file_range.c
index 73476ff40..139c51cf4 100644
--- a/module/os/linux/zfs/zpl_file_range.c
+++ b/module/os/linux/zfs/zpl_file_range.c
@@ -31,7 +31,7 @@
 #include <sys/zfs_vnops.h>
 #include <sys/zfeature.h>
 
-int zfs_bclone_enabled = 1;
+int zfs_bclone_enabled = 0;
 
 /*
  * Clone part of a file via block cloning.