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bozo: cap retry delay

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Cap the retry delay to a reasonable amount of time instead
of just doubling the delay until it reaches 16 hours.

Change-Id: Ibc7dd75670a9b02f34050842b6e54df4f5a7c315
Reviewed-on: http://gerrit.openafs.org/10148
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
This commit is contained in:
Michael Meffie 2013-08-20 16:48:34 -04:00 committed by Derrick Brashear
parent 1c2dcda92b
commit 21c8f4809e
1 changed files with 6 additions and 2 deletions
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8
src/bozo/bnode.c
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@ -32,6 +32,7 @@
#define BNODE_LWP_STACKSIZE (16 * 1024) #define BNODE_LWP_STACKSIZE (16 * 1024)
#define BNODE_ERROR_COUNT_MAX 16 /* maximum number of retries */ #define BNODE_ERROR_COUNT_MAX 16 /* maximum number of retries */
#define BNODE_ERROR_DELAY_MAX 60 /* maximum retry delay (seconds) */
int bnode_waiting = 0; int bnode_waiting = 0;
static PROCESS bproc_pid; /* pid of waker-upper */ static PROCESS bproc_pid; /* pid of waker-upper */
@ -657,9 +658,12 @@ bproc(void *unused)
} else { } else {
tb->errorStopCount++; tb->errorStopCount++;
if (!tb->errorStopDelay) { if (!tb->errorStopDelay) {
tb->errorStopDelay = 1; tb->errorStopDelay = 1; /* wait a second, then retry */
} else { } 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; tb->flags |= BNODE_ERRORSTOP;