XATTR_ARGS_SIZE_VER0
BUILD_BUG_ON(sizeof(struct xattr_args) < XATTR_ARGS_SIZE_VER0);
if (unlikely(usize < XATTR_ARGS_SIZE_VER0))
BUILD_BUG_ON(sizeof(struct xattr_args) < XATTR_ARGS_SIZE_VER0);
if (unlikely(usize < XATTR_ARGS_SIZE_VER0))
#define XATTR_ARGS_SIZE_LATEST XATTR_ARGS_SIZE_VER0