Commit 127b21b8 authored Jan 23, 2015 by Trond Myklebust

SUNRPC: Adjust rpciod workqueue parameters

Increase the concurrency level for rpciod threads to allow for allocations
etc that happen in the RPCSEC_GSS layer. Also note that the NFSv4 byte range
locks may now need to allocate memory from inside rpciod.

Add the WQ_HIGHPRI flag to improve latency guarantees while we're at it.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent 40dd4b7a

net/sunrpc/sched.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1069,7 +1069,8 @@ static int rpciod_start(void)
		* Create the rpciod thread and wait for it to start.
		*/
		dprintk("RPC: creating workqueue rpciod\n");
		wq = alloc_workqueue("rpciod", WQ_MEM_RECLAIM, 1);
		/* Note: highpri because network receive is latency sensitive */
		wq = alloc_workqueue("rpciod", WQ_MEM_RECLAIM \| WQ_HIGHPRI, 0);
		rpciod_workqueue = wq;
		return rpciod_workqueue != NULL;
		}