1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a98c41f72c63..1aaabcc2af92 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -38,6 +38,28 @@
 
 #include <linux/nbd.h>
 
+struct nbd_device {
+        int flags;
+        int harderror;          /* Code of hard error                   */
+        struct socket * sock;   /* If == NULL, device is not ready, yet */
+        int magic;
+
+        spinlock_t queue_lock;
+        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;
+        int disconnect; /* a disconnect has been requested by user */
+};
+
 #define NBD_MAGIC 0x68797548
 
 #ifdef NDEBUG