btrfs-progs: use unsigned type for extent_buffer flags

We're doing bit operations.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/extent_io.h b/extent_io.h
index 94a42bf..9153a55 100644 (file)
--- a/extent_io.h
+++ b/extent_io.h
@@ -95,7 +95,7 @@ struct extent_buffer {
        struct list_head lru;
        struct list_head recow;
        int refs;
-       int flags;
+       u32 flags;
        int fd;
        char data[];
 };