afs: do not allow two shutdown sequences in parallel

[openafs.git] / src / afs / afs.h

diff --git a/src/afs/afs.h b/src/afs/afs.h
index a9877d5..f470947 100644 (file)
--- a/src/afs/afs.h
+++ b/src/afs/afs.h
@@ -35,8 +35,12 @@
 /* Upper bound on number of iovecs out uio routines will deal with. */
 #define        AFS_MAXIOVCNT       16
 
-
-extern int afs_shuttingdown;
+enum afs_shutdown_state {
+    AFS_RUNNING = 0,
+    AFS_FLUSHING_CB = 1,
+    AFS_SHUTDOWN = 2,
+};
+extern enum afs_shutdown_state afs_shuttingdown;
 
 /*
  * Macros to uniquely identify the AFS vfs struct