From 6b39bb6548d60b9a18826134b5ccd5c3cef85fe2 Mon Sep 17 00:00:00 2001
From: Paul Clements <paul.clements@steeleye.com>
Date: Wed, 6 Dec 2006 20:40:53 -0800
Subject: [PATCH] nbd: show nbd client pid in sysfs

Allow nbd to expose the nbd-client daemon's PID in /sys/block/nbd<x>/pid.

This is helpful for tracking connection status of a device and for
determining which nbd devices are currently in use.

Signed-off-by: Paul Clements <paul.clements@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/linux/nbd.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux/nbd.h')

diff --git a/include/linux/nbd.h b/include/linux/nbd.h
index d6b6dc09ad97..0f3e69302540 100644
--- a/include/linux/nbd.h
+++ b/include/linux/nbd.h
@@ -64,6 +64,7 @@ struct nbd_device {
 	struct gendisk *disk;
 	int blksize;
 	u64 bytesize;
+	pid_t pid; /* pid of nbd-client, if attached */
 };
 
 #endif
-- 
cgit v1.2.3-59-g8ed1b