BTRFS_FEATURE_INCOMPAT_SUPP
if (unlikely(btrfs_super_incompat_flags(sb) & ~BTRFS_FEATURE_INCOMPAT_SUPP)) {
(unsigned long long)BTRFS_FEATURE_INCOMPAT_SUPP);
if (incompat & ~BTRFS_FEATURE_INCOMPAT_SUPP) {
incompat & ~BTRFS_FEATURE_INCOMPAT_SUPP);
[FEAT_INCOMPAT] = BTRFS_FEATURE_INCOMPAT_SUPP,