[PATCH] uapi: use __u64 instead of u64

[Dmitry V. Levin]

This bug was found by strace test suite.

Fixes: 6b526ed70cf1 ("btrfs: introduce device delete by devid")
Signed-off-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
---
 include/uapi/linux/btrfs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 23c6960..2bdd1e3 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -118,7 +118,7 @@ struct btrfs_ioctl_vol_args_v2 {
 	};
 	union {
 		char name[BTRFS_SUBVOL_NAME_MAX + 1];
-		u64 devid;
+		__u64 devid;
 	};
 };
 
-- 
ldv