zfs-2.2.1: Disable block cloning by default

Disable block cloning by default to mitigate possible data corruption (see openzfs#15529 and openzfs#15526). Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Frederick888 · Nov 23, 2023 · 767a9ef · 767a9ef
1 parent 392c98d
commit 767a9ef
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diff --git 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
@@ -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.