Btrfs: more efficient push_leaf_right

[~andy/linux] / fs / btrfs / check-integrity.c

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 131d82800b3af45778cb8651f5c559bd57cec437..160fb509d7209ca310b0b18f4068dbd2bb442dd5 100644 (file)
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -1456,10 +1456,14 @@ static int btrfsic_handle_extent_data(
        btrfsic_read_from_block_data(block_ctx, &file_extent_item,
                                     file_extent_item_offset,
                                     sizeof(struct btrfs_file_extent_item));
-       next_bytenr = btrfs_stack_file_extent_disk_bytenr(&file_extent_item) +
-                     btrfs_stack_file_extent_offset(&file_extent_item);
-       generation = btrfs_stack_file_extent_generation(&file_extent_item);
-       num_bytes = btrfs_stack_file_extent_num_bytes(&file_extent_item);
+       next_bytenr = btrfs_stack_file_extent_disk_bytenr(&file_extent_item);
+       if (btrfs_stack_file_extent_compression(&file_extent_item) ==
+           BTRFS_COMPRESS_NONE) {
+               next_bytenr += btrfs_stack_file_extent_offset(&file_extent_item);
+               num_bytes = btrfs_stack_file_extent_num_bytes(&file_extent_item);
+       } else {
+               num_bytes = btrfs_stack_file_extent_disk_num_bytes(&file_extent_item);
+       }
        generation = btrfs_stack_file_extent_generation(&file_extent_item);
 
        if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE)