Btrfs: cleanup unused arguments of btrfs_csum_data

[linux-imx.git] / fs / btrfs / file-item.c

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index ec160202be3e38057c26498558e2f309af7859b7..bc3c92466045aabe61bcfba7e555f37671870d0e 100644 (file)
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -118,9 +118,11 @@ struct btrfs_csum_item *btrfs_lookup_csum(struct btrfs_trans_handle *trans,
                csums_in_item = btrfs_item_size_nr(leaf, path->slots[0]);
                csums_in_item /= csum_size;
 
-               if (csum_offset >= csums_in_item) {
+               if (csum_offset == csums_in_item) {
                        ret = -EFBIG;
                        goto fail;
+               } else if (csum_offset > csums_in_item) {
+                       goto fail;
                }
        }
        item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_csum_item);
@@ -482,8 +484,7 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
 
                data = kmap_atomic(bvec->bv_page);
                sector_sum->sum = ~(u32)0;
-               sector_sum->sum = btrfs_csum_data(root,
-                                                 data + bvec->bv_offset,
+               sector_sum->sum = btrfs_csum_data(data + bvec->bv_offset,
                                                  sector_sum->sum,
                                                  bvec->bv_len);
                kunmap_atomic(data);
@@ -728,7 +729,6 @@ int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
                return -ENOMEM;
 
        sector_sum = sums->sums;
-       trans->adding_csums = 1;
 again:
        next_offset = (u64)-1;
        found_next = 0;
@@ -899,7 +899,6 @@ next_sector:
                goto again;
        }
 out:
-       trans->adding_csums = 0;
        btrfs_free_path(path);
        return ret;