patch for ioctl.h

patch for ioctl.h

[Arvin Schnell]

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Hi,

u64 is not known when just including btrfs/ioctl.h. I assume it
should be __u64 as everywhere else in the file.

Regards,
  Arvin

-- 
Arvin Schnell, <aschnell@suse.de>
Senior Software Engineer, Research & Development
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)
Maxfeldstraße 5
90409 Nürnberg
Germany

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diff --git a/ioctl.h b/ioctl.h
index a589cd7..7577862 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -539,7 +539,7 @@ struct btrfs_ioctl_clone_range_args {
 				   struct btrfs_ioctl_search_args)
 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
 				   struct btrfs_ioctl_ino_lookup_args)
-#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
+#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
 #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
 				    struct btrfs_ioctl_space_args)
 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \