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authorPaul Clements <paul.clements@steeleye.com>2006-12-07 07:40:53 +0300
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 19:39:47 +0300
commit6b39bb6548d60b9a18826134b5ccd5c3cef85fe2 (patch)
tree8521d13c8518d4baa0ecfe2f1031524edb47d4d9 /include/linux
parent792908225064b1d841a8990b9d1d1cfc4e0e5bb2 (diff)
downloadlinux-6b39bb6548d60b9a18826134b5ccd5c3cef85fe2.tar.xz
[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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/nbd.h1
1 files changed, 1 insertions, 0 deletions
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