prev_dev_ext_end 7830 fs/btrfs/volumes.c u64 prev_dev_ext_end = 0; prev_dev_ext_end 7876 fs/btrfs/volumes.c if (devid == prev_devid && physical_offset < prev_dev_ext_end) { prev_dev_ext_end 7879 fs/btrfs/volumes.c devid, physical_offset, prev_dev_ext_end); prev_dev_ext_end 7889 fs/btrfs/volumes.c prev_dev_ext_end = physical_offset + physical_len;