Patch "SUNRPC: remove the maximum number of retries in call_bind_status" has been added to the 5.15-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

    SUNRPC: remove the maximum number of retries in call_bind_status

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     sunrpc-remove-the-maximum-number-of-retries-in-call_.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 885621ed35ead02ca98022db386447da0fb59ba4
Author: Dai Ngo <dai.ngo@xxxxxxxxxx>
Date:   Tue Apr 18 13:19:02 2023 -0700

    SUNRPC: remove the maximum number of retries in call_bind_status
    
    [ Upstream commit 691d0b782066a6eeeecbfceb7910a8f6184e6105 ]
    
    Currently call_bind_status places a hard limit of 3 to the number of
    retries on EACCES error. This limit was done to prevent NLM unlock
    requests from being hang forever when the server keeps returning garbage.
    However this change causes problem for cases when NLM service takes
    longer than 9 seconds to register with the port mapper after a restart.
    
    This patch removes this hard coded limit and let the RPC handles
    the retry based on the standard hard/soft task semantics.
    
    Fixes: 0b760113a3a1 ("NLM: Don't hang forever on NLM unlock requests")
    Reported-by: Helen Chao <helen.chao@xxxxxxxxxx>
    Tested-by: Helen Chao <helen.chao@xxxxxxxxxx>
    Signed-off-by: Dai Ngo <dai.ngo@xxxxxxxxxx>
    Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
    Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index a237b8dbf6086..ba047a145e092 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -90,8 +90,7 @@ struct rpc_task {
 #endif
 	unsigned char		tk_priority : 2,/* Task priority */
 				tk_garb_retry : 2,
-				tk_cred_retry : 2,
-				tk_rebind_retry : 2;
+				tk_cred_retry : 2;
 };
 
 typedef void			(*rpc_action)(struct rpc_task *);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index ad3e9a40b0610..b9c54c03c30a6 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1981,9 +1981,6 @@ call_bind_status(struct rpc_task *task)
 			status = -EOPNOTSUPP;
 			break;
 		}
-		if (task->tk_rebind_retry == 0)
-			break;
-		task->tk_rebind_retry--;
 		rpc_delay(task, 3*HZ);
 		goto retry_timeout;
 	case -ENOBUFS:
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index f0f55fbd13752..a00890962e115 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -796,7 +796,6 @@ rpc_init_task_statistics(struct rpc_task *task)
 	/* Initialize retry counters */
 	task->tk_garb_retry = 2;
 	task->tk_cred_retry = 2;
-	task->tk_rebind_retry = 2;
 
 	/* starting timestamp */
 	task->tk_start = ktime_get();



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux