#define NBD_PRINT_DEBUG _IO( 0xab, 6 )
#define NBD_SET_SIZE_BLOCKS _IO( 0xab, 7 )
#define NBD_DISCONNECT _IO( 0xab, 8 )
+#define NBD_SET_TIMEOUT _IO( 0xab, 9 )
enum {
NBD_CMD_READ = 0,
};
#define nbd_cmd(req) ((req)->cmd[0])
-#define MAX_NBD 128
/* userspace doesn't need the nbd_device structure */
#ifdef __KERNEL__
int magic;
spinlock_t queue_lock;
- struct list_head queue_head;/* Requests are added here... */
+ struct list_head queue_head; /* Requests waiting result */
struct request *active_req;
wait_queue_head_t active_wq;
+ struct list_head waiting_queue; /* Requests to be sent */
+ wait_queue_head_t waiting_wq;
struct mutex tx_lock;
struct gendisk *disk;
int blksize;
u64 bytesize;
pid_t pid; /* pid of nbd-client, if attached */
+ int xmit_timeout;
};
#endif
char handle[8];
__be64 from;
__be32 len;
-}
-#ifdef __GNUC__
- __attribute__ ((packed))
-#endif
-;
+} __attribute__ ((packed));
/*
* This is the reply packet that nbd-server sends back to the client after