>>>>> " " == Juan Gomez <juang@us.ibm.com> writes:
> I found out that the current Linux client of lockd blocks
> non-blocking lock requests while the server is in the grace
> period. I think this is incorrect behavior and I am wondering
> if the will exists out there to correct this and return
> "resource not available" to the process when a request is for a
> *non-blocking* lock while the server is in the grace period.
Would the following fix it?
Cheers,
Trond
--- linux-2.5.47/fs/lockd/clntproc.c.orig 2002-09-29 10:15:13.000000000 -0400
+++ linux-2.5.47/fs/lockd/clntproc.c 2002-11-14 21:32:26.000000000 -0500
@@ -256,10 +256,8 @@
msg.rpc_cred = NULL;
do {
- if (host->h_reclaiming && !argp->reclaim) {
- interruptible_sleep_on(&host->h_gracewait);
- continue;
- }
+ if (host->h_reclaiming && !argp->reclaim)
+ goto wait_on_grace;
/* If we have no RPC client yet, create one. */
if ((clnt = nlm_bind_host(host)) == NULL)
@@ -296,6 +294,9 @@
dprintk("lockd: server returns status %d\n", resp->status);
return 0; /* Okay, call complete */
}
+wait_on_grace:
+ if (!argp->block)
+ return -EAGAIN;
/* Back off a little and try again */
interruptible_sleep_on_timeout(&host->h_gracewait, 15*HZ);
-
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This archive was generated by hypermail 2b29 : Fri Nov 15 2002 - 22:00:35 EST