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-rw-r--r--fs/btrfs/ctree.c7
-rw-r--r--fs/btrfs/ctree.h5
-rw-r--r--fs/btrfs/disk-io.c5
-rw-r--r--fs/btrfs/ioctl.c2
4 files changed, 8 insertions, 11 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 8e3efe3bad24..5fa521bec07b 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -3111,8 +3111,7 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
BTRFS_FSID_SIZE);
write_extent_buffer(c, root->fs_info->chunk_tree_uuid,
- (unsigned long)btrfs_header_chunk_tree_uuid(c),
- BTRFS_UUID_SIZE);
+ btrfs_header_chunk_tree_uuid(c), BTRFS_UUID_SIZE);
btrfs_set_node_key(c, &lower_key, 0);
btrfs_set_node_blockptr(c, 0, lower->start);
@@ -3249,7 +3248,7 @@ static noinline int split_node(struct btrfs_trans_handle *trans,
write_extent_buffer(split, root->fs_info->fsid,
btrfs_header_fsid(split), BTRFS_FSID_SIZE);
write_extent_buffer(split, root->fs_info->chunk_tree_uuid,
- (unsigned long)btrfs_header_chunk_tree_uuid(split),
+ btrfs_header_chunk_tree_uuid(split),
BTRFS_UUID_SIZE);
tree_mod_log_eb_copy(root->fs_info, split, c, 0, mid, c_nritems - mid);
@@ -4005,7 +4004,7 @@ again:
btrfs_header_fsid(right), BTRFS_FSID_SIZE);
write_extent_buffer(right, root->fs_info->chunk_tree_uuid,
- (unsigned long)btrfs_header_chunk_tree_uuid(right),
+ btrfs_header_chunk_tree_uuid(right),
BTRFS_UUID_SIZE);
if (split == 0) {
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 1b8f5def29c7..c90be01cbe67 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2680,10 +2680,9 @@ static inline unsigned long btrfs_header_fsid(struct extent_buffer *eb)
return offsetof(struct btrfs_header, fsid);
}
-static inline u8 *btrfs_header_chunk_tree_uuid(struct extent_buffer *eb)
+static inline unsigned long btrfs_header_chunk_tree_uuid(struct extent_buffer *eb)
{
- unsigned long ptr = offsetof(struct btrfs_header, chunk_tree_uuid);
- return (u8 *)ptr;
+ return offsetof(struct btrfs_header, chunk_tree_uuid);
}
static inline int btrfs_is_leaf(struct extent_buffer *eb)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index d67a2ddb3ce6..940bc486a0f8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1294,7 +1294,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
write_extent_buffer(leaf, fs_info->fsid, btrfs_header_fsid(leaf),
BTRFS_FSID_SIZE);
write_extent_buffer(leaf, fs_info->chunk_tree_uuid,
- (unsigned long)btrfs_header_chunk_tree_uuid(leaf),
+ btrfs_header_chunk_tree_uuid(leaf),
BTRFS_UUID_SIZE);
btrfs_mark_buffer_dirty(leaf);
@@ -2629,8 +2629,7 @@ int open_ctree(struct super_block *sb,
chunk_root->commit_root = btrfs_root_node(chunk_root);
read_extent_buffer(chunk_root->node, fs_info->chunk_tree_uuid,
- (unsigned long)btrfs_header_chunk_tree_uuid(chunk_root->node),
- BTRFS_UUID_SIZE);
+ btrfs_header_chunk_tree_uuid(chunk_root->node), BTRFS_UUID_SIZE);
ret = btrfs_read_chunk_tree(chunk_root);
if (ret) {
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 41addd502bc9..0ce93ac17f69 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -439,7 +439,7 @@ static noinline int create_subvol(struct inode *dir,
write_extent_buffer(leaf, root->fs_info->fsid, btrfs_header_fsid(leaf),
BTRFS_FSID_SIZE);
write_extent_buffer(leaf, root->fs_info->chunk_tree_uuid,
- (unsigned long)btrfs_header_chunk_tree_uuid(leaf),
+ btrfs_header_chunk_tree_uuid(leaf),
BTRFS_UUID_SIZE);
btrfs_mark_buffer_dirty(leaf);