afs: support the CB.ProbeUuid RPC op

Add support for the CB.ProbeUuid cache manager RPC op.  This allows a modern
OpenAFS server to quickly ask if the client has been rebooted.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/afs/afs_cm.h b/fs/afs/afs_cm.h
index 5f62f3ea563e..255f5dd6040c 100644
--- a/fs/afs/afs_cm.h
+++ b/fs/afs/afs_cm.h
@@ -24,6 +24,7 @@ enum AFS_CM_Operations {
         CBGetXStatsVersion      = 209,  /* get version of extended statistics */
         CBGetXStats             = 210,  /* get contents of extended statistics data */
         CBInitCallBackState3    = 213,  /* initialise callback state, version 3 */
+        CBProbeUuid             = 214,  /* check the client hasn't rebooted */
         CBTellMeAboutYourself   = 65538, /* get client capabilities */
 };