btrfs: Remove unused length var from scrub_handle_errored_block

Added in b5d67f64f9bc ("Btrfs: change scrub to support big blocks") but
rendered redundant by be50a8ddaae1 ("Btrfs: Simplify
scrub_setup_recheck_block()'s argument").

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 629313732521f4b25ca0966442c4d85d466ed239..4ab4a68dbc0681658792d7c95f6aba9032ae7e8c 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1111,7 +1111,6 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
        struct scrub_ctx *sctx = sblock_to_check->sctx;
        struct btrfs_device *dev;
        struct btrfs_fs_info *fs_info;
-       u64 length;
        u64 logical;
        unsigned int failed_mirror_index;
        unsigned int is_metadata;
@@ -1139,7 +1138,6 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
                spin_unlock(&sctx->stat_lock);
                return 0;
        }
-       length = sblock_to_check->page_count * PAGE_SIZE;
        logical = sblock_to_check->pagev[0]->logical;
        BUG_ON(sblock_to_check->pagev[0]->mirror_num < 1);
        failed_mirror_index = sblock_to_check->pagev[0]->mirror_num - 1;