first commit

1 files changed, 47 insertions, 0 deletions

diff --git a/include/linux/nbd.h b/include/linux/nbd.h
new file mode 100644
index 000000000..ae4981ebd
--- /dev/null
+++ b/include/linux/nbd.h
@@ -0,0 +1,47 @@
+/*
+ * 1999 Copyright (C) Pavel Machek, pavel@ucw.cz. This code is GPL.
+ * 1999/11/04 Copyright (C) 1999 VMware, Inc. (Regis "HPReg" Duchesne)
+ *            Made nbd_end_request() use the io_request_lock
+ * 2001 Copyright (C) Steven Whitehouse
+ *            New nbd_end_request() for compatibility with new linux block
+ *            layer code.
+ * 2003/06/24 Louis D. Langholtz <ldl@aros.net>
+ *            Removed unneeded blksize_bits field from nbd_device struct.
+ *            Cleanup PARANOIA usage & code.
+ * 2004/02/19 Paul Clements
+ *            Removed PARANOIA, plus various cleanup and comments
+ */
+#ifndef LINUX_NBD_H
+#define LINUX_NBD_H
+
+
+#include <linux/wait.h>
+#include <linux/mutex.h>
+#include <uapi/linux/nbd.h>
+
+struct request;
+
+struct nbd_device {
+	int flags;
+	int harderror;		/* Code of hard error			*/
+	struct socket * sock;
+	struct file * file; 	/* 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 */
+};
+
+#endif