BTRFS_SCRUB_READONLY
if (!(sa->flags & BTRFS_SCRUB_READONLY)) {
&sa->progress, sa->flags & BTRFS_SCRUB_READONLY,
if (!(sa->flags & BTRFS_SCRUB_READONLY))
#define BTRFS_SCRUB_SUPPORTED_FLAGS (BTRFS_SCRUB_READONLY)