diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index fccde74..9ebb2c7 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2916,7 +2916,7 @@
 		up_read(&info->groups_sem);
 	}
 
-	user_dest = (struct btrfs_ioctl_space_info *)
+	user_dest = (struct btrfs_ioctl_space_info __user *)
 		(arg + sizeof(struct btrfs_ioctl_space_args));
 
 	if (copy_to_user(user_dest, dest_orig, alloc_size))
diff --git a/fs/btrfs/ulist.c b/fs/btrfs/ulist.c
index 12f5147..ad993bc 100644
--- a/fs/btrfs/ulist.c
+++ b/fs/btrfs/ulist.c
@@ -95,7 +95,7 @@
  *
  * The allocated ulist will be returned in an initialized state.
  */
-struct ulist *ulist_alloc(unsigned long gfp_mask)
+struct ulist *ulist_alloc(gfp_t gfp_mask)
 {
 	struct ulist *ulist = kmalloc(sizeof(*ulist), gfp_mask);
 
@@ -144,7 +144,7 @@
  * unaltered.
  */
 int ulist_add(struct ulist *ulist, u64 val, unsigned long aux,
-	      unsigned long gfp_mask)
+	      gfp_t gfp_mask)
 {
 	int i;
 
diff --git a/fs/btrfs/ulist.h b/fs/btrfs/ulist.h
index 2e25dec..6568c35 100644
--- a/fs/btrfs/ulist.h
+++ b/fs/btrfs/ulist.h
@@ -59,10 +59,9 @@
 void ulist_init(struct ulist *ulist);
 void ulist_fini(struct ulist *ulist);
 void ulist_reinit(struct ulist *ulist);
-struct ulist *ulist_alloc(unsigned long gfp_mask);
+struct ulist *ulist_alloc(gfp_t gfp_mask);
 void ulist_free(struct ulist *ulist);
-int ulist_add(struct ulist *ulist, u64 val, unsigned long aux,
-	      unsigned long gfp_mask);
+int ulist_add(struct ulist *ulist, u64 val, unsigned long aux, gfp_t gfp_mask);
 struct ulist_node *ulist_next(struct ulist *ulist, struct ulist_node *prev);
 
 #endif