bozo: cap retry delay

[openafs.git] / src / bozo / bnode.c

diff --git a/src/bozo/bnode.c b/src/bozo/bnode.c
index 6f8f99b..7527474 100644 (file)
--- a/src/bozo/bnode.c
+++ b/src/bozo/bnode.c
@@ -32,6 +32,7 @@
 
 #define BNODE_LWP_STACKSIZE    (16 * 1024)
 #define BNODE_ERROR_COUNT_MAX   16   /* maximum number of retries */
+#define BNODE_ERROR_DELAY_MAX   60   /* maximum retry delay (seconds) */
 
 int bnode_waiting = 0;
 static PROCESS bproc_pid;      /* pid of waker-upper */
@@ -657,9 +658,12 @@ bproc(void *unused)
                        } else {
                            tb->errorStopCount++;
                            if (!tb->errorStopDelay) {
-                               tb->errorStopDelay = 1;
+                               tb->errorStopDelay = 1;   /* wait a second, then retry */
                            } else {
-                               tb->errorStopDelay *= 2;
+                               tb->errorStopDelay *= 2;  /* ramp up the retry delays */
+                           }
+                           if (tb->errorStopDelay > BNODE_ERROR_DELAY_MAX) {
+                               tb->errorStopDelay = BNODE_ERROR_DELAY_MAX; /* cap the delay */
                            }
                        }
                        tb->flags |= BNODE_ERRORSTOP;