Btrfs: Make btrfs_dev_extent_chunk_tree_uuid() return unsigned long

Internally, btrfs_dev_extent_chunk_tree_uuid() calculates an unsigned long,
but casts it to a pointer, while all callers cast it to unsigned long
again.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 8b8c4397165c..34068b887f14 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1311,8 +1311,7 @@ static int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
         btrfs_set_dev_extent_chunk_offset(leaf, extent, chunk_offset);
 
         write_extent_buffer(leaf, root->fs_info->chunk_tree_uuid,
-                    (unsigned long)btrfs_dev_extent_chunk_tree_uuid(extent),
-                    BTRFS_UUID_SIZE);
+                    btrfs_dev_extent_chunk_tree_uuid(extent), BTRFS_UUID_SIZE);
 
         btrfs_set_dev_extent_length(leaf, extent, num_bytes);
         btrfs_mark_buffer_dirty(leaf);