scrub_workers_refcnt 811 fs/btrfs/ctree.h refcount_t scrub_workers_refcnt; scrub_workers_refcnt 2077 fs/btrfs/disk-io.c refcount_set(&fs_info->scrub_workers_refcnt, 0); scrub_workers_refcnt 3756 fs/btrfs/scrub.c if (refcount_read(&fs_info->scrub_workers_refcnt) == 0) { scrub_workers_refcnt 3777 fs/btrfs/scrub.c refcount_set(&fs_info->scrub_workers_refcnt, 1); scrub_workers_refcnt 3779 fs/btrfs/scrub.c refcount_inc(&fs_info->scrub_workers_refcnt); scrub_workers_refcnt 3946 fs/btrfs/scrub.c if (refcount_dec_and_test(&fs_info->scrub_workers_refcnt)) {