From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Mon, 2 Feb 2009 16:53:53 +0000 (-0800)
Subject: Make the number of system taskq threads based on the node of cores in the node, as... 
X-Git-Tag: spl-0.4.2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f220894e1fc86cbfaf073dc4cca519887c41e78e;p=spl

Make the number of system taskq threads based on the node of cores in the node, as is done for most linux system tasks
---

diff --git a/module/spl/spl-taskq.c b/module/spl/spl-taskq.c
index 799b548..e77ef66 100644
--- a/module/spl/spl-taskq.c
+++ b/module/spl/spl-taskq.c
@@ -474,8 +474,10 @@ spl_taskq_init(void)
 {
         ENTRY;
 
-        system_taskq = taskq_create("system_taskq", 64, minclsyspri, 4, 512,
-                                    TASKQ_PREPOPULATE);
+	/* Solaris creates a dynamic taskq of up to 64 threads, however in
+	 * a Linux environment 1 thread per-core is usually about right */
+        system_taskq = taskq_create("spl_system_taskq", num_online_cpus(),
+				    minclsyspri, 4, 512, TASKQ_PREPOPULATE);
 	if (system_taskq == NULL)
 		RETURN(1);