Add windows_load_security tunable

Default is to load SecurityDescriptors from storage, but setting this to 0 will skip. In the hopes that older pools of OpenZFSonWindows that wrote bad SDs to disk may import again. Signed-off-by: Jorgen Lundman <[email protected]>
openzfsonwindows · Oct 8, 2024 · ad7978e · ad7978e
1 parent 3020854
commit ad7978e
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/module/os/windows/zfs/zfs_vnops_windows_lib.c b/module/os/windows/zfs/zfs_vnops_windows_lib.c
@@ -63,6 +63,10 @@
 
 #undef _NTDDK_
 
+uint64_t windows_load_security = 1;
+ZFS_MODULE_PARAM(, windows_, load_security, U64, ZMOD_RW,
+	"Windows: load Security Descriptors from storage");
+
 typedef struct {
 	UCHAR revision;
 	UCHAR elements;
@@ -2738,6 +2742,9 @@ zfs_load_ntsecurity(struct vnode *vp)
 	struct iovec iov;
 	ssize_t retsize;
 
+	if (!windows_load_security)
+		return;
+
 	error = zpl_xattr_get(vp, EA_NTACL, NULL,
 	    &retsize, NULL);