From 231e88f41027d90e9516d257d8085069b65686dd Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 20 Aug 2013 13:20:13 +0200 Subject: [PATCH] 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 Signed-off-by: Josef Bacik Signed-off-by: Chris Mason --- fs/btrfs/ctree.h | 4 ++-- fs/btrfs/volumes.c | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index b71bc3a..2202bd8 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2330,10 +2330,10 @@ BTRFS_SETGET_FUNCS(dev_extent_chunk_offset, struct btrfs_dev_extent, chunk_offset, 64); BTRFS_SETGET_FUNCS(dev_extent_length, struct btrfs_dev_extent, length, 64); -static inline u8 *btrfs_dev_extent_chunk_tree_uuid(struct btrfs_dev_extent *dev) +static inline unsigned long btrfs_dev_extent_chunk_tree_uuid(struct btrfs_dev_extent *dev) { unsigned long ptr = offsetof(struct btrfs_dev_extent, chunk_tree_uuid); - return (u8 *)((unsigned long)dev + ptr); + return (unsigned long)dev + ptr; } BTRFS_SETGET_FUNCS(extent_refs, struct btrfs_extent_item, refs, 64); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 8b8c439..34068b8 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); -- 2.7.4