svn commit: r253326 - head/sys/kern

[Konstantin Belousov]

Author: kib
Date: Sat Jul 13 19:34:34 2013
New Revision: 253326
URL: http://svnweb.freebsd.org/changeset/base/253326

Log:
  There is no need to count waiters for the runningbufspace.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/kern/vfs_bio.c

Modified: head/sys/kern/vfs_bio.c
==============================================================================
--- head/sys/kern/vfs_bio.c	Sat Jul 13 19:32:50 2013	(r253325)
+++ head/sys/kern/vfs_bio.c	Sat Jul 13 19:34:34 2013	(r253326)
@@ -561,7 +561,7 @@ waitrunningbufspace(void)
 
 	mtx_lock(&rbreqlock);
 	while (runningbufspace > hirunningspace) {
-		++runningbufreq;
+		runningbufreq = 1;
 		msleep(&runningbufreq, &rbreqlock, PVM, "wdrain", 0);
 	}
 	mtx_unlock(&rbreqlock);