BTRFS_CACHE_ERROR
block_group->cached == BTRFS_CACHE_ERROR)
return cache->cached == BTRFS_CACHE_ERROR ? -EIO : 0;
return (cache->cached == BTRFS_CACHE_ERROR) ? -EIO : 0;
block_group->cached = ret ? BTRFS_CACHE_ERROR : BTRFS_CACHE_FINISHED;
cache->cached == BTRFS_CACHE_ERROR;
if (unlikely(block_group->cached == BTRFS_CACHE_ERROR)) {