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-rw-r--r--fs/btrfs/sysfs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h
index 58c4b1f689d6..c49fd25c911f 100644
--- a/fs/btrfs/sysfs.h
+++ b/fs/btrfs/sysfs.h
@@ -51,4 +51,6 @@ static struct btrfs_feature_attr btrfs_attr_##_name = { \
#define attr_to_btrfs_attr(a) container_of(a, struct kobj_attribute, attr)
#define attr_to_btrfs_feature_attr(a) \
to_btrfs_feature_attr(attr_to_btrfs_attr(a))
+char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags);
+extern const char * const btrfs_feature_set_names[3];
#endif /* _BTRFS_SYSFS_H_ */