btrfs: rename variables clashing with global function names

reported by gcc -Wshadow:
page_index, page_offset, new_inode, dev_name

Signed-off-by: David Sterba <dsterba@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 8f4b81de3ae2..b5433bbe7516 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2534,7 +2534,7 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
 int btrfs_commit_write(struct file *file, struct page *page,
                        unsigned from, unsigned to);
 struct extent_map *btrfs_get_extent(struct inode *inode, struct page *page,
-                                    size_t page_offset, u64 start, u64 end,
+                                    size_t pg_offset, u64 start, u64 end,
                                     int create);
 int btrfs_update_inode(struct btrfs_trans_handle *trans,
                               struct btrfs_root *root,