int running_pending;
u64 generation;
- int barriers;
int writeable;
int in_fs_metadata;
+ int missing;
spinlock_t io_lock;
u64 num_devices;
u64 open_devices;
u64 rw_devices;
+ u64 missing_devices;
u64 total_rw_bytes;
struct block_device *latest_bdev;