Btrfs: byte offsets for file keys

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 09de270c5a52..5230a44cb19b 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -26,6 +26,7 @@ int btrfs_alloc_file_extent(struct btrfs_trans_handle *trans,
 
         ret = btrfs_insert_empty_item(trans, root, &path, &file_key,
                                       sizeof(*item));
+        BUG_ON(ret);
         item = btrfs_item_ptr(btrfs_buffer_leaf(path.nodes[0]), path.slots[0],
                               struct btrfs_file_extent_item);
         btrfs_set_file_extent_disk_blocknr(item, ins.objectid);
@@ -42,7 +43,7 @@ int btrfs_alloc_file_extent(struct btrfs_trans_handle *trans,
 int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
                              struct btrfs_root *root,
                              struct btrfs_path *path, u64 objectid,
-                             u64 blocknr, u64 num_blocks, int mod)
+                             u64 offset, int mod)
 {
         int ret;
         struct btrfs_key file_key;
@@ -50,7 +51,7 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
         int cow = mod != 0;
 
         file_key.objectid = objectid;
-        file_key.offset = blocknr;
+        file_key.offset = offset;
         file_key.flags = 0;
         btrfs_set_key_type(&file_key, BTRFS_EXTENT_DATA_KEY);
         ret = btrfs_search_slot(trans, root, &file_key, path, ins_len, cow);