Module Name: src
Committed By: pooka
Date: Thu Oct 1 12:28:34 UTC 2009
Modified Files:
src/sys/kern: vfs_wapbl.c
Log Message:
Add dealloccnt to list of things to be considered in the stetson-harrison
decision making algorithm for flushing a wapbl transation.
To generate a diff of this commit:
cvs rdiff -u -r1.27 -r1.28 src/sys/kern/vfs_wapbl.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/vfs_wapbl.c
diff -u src/sys/kern/vfs_wapbl.c:1.27 src/sys/kern/vfs_wapbl.c:1.28
--- src/sys/kern/vfs_wapbl.c:1.27 Thu Oct 1 07:42:45 2009
+++ src/sys/kern/vfs_wapbl.c Thu Oct 1 12:28:34 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: vfs_wapbl.c,v 1.27 2009/10/01 07:42:45 pooka Exp $ */
+/* $NetBSD: vfs_wapbl.c,v 1.28 2009/10/01 12:28:34 pooka Exp $ */
/*-
* Copyright (c) 2003, 2008, 2009 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
#define WAPBL_INTERNAL
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_wapbl.c,v 1.27 2009/10/01 07:42:45 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_wapbl.c,v 1.28 2009/10/01 12:28:34 pooka Exp $");
#include <sys/param.h>
@@ -784,16 +784,20 @@
wl->wl_bufbytes_max / 2) ||
((wl->wl_bufcount + (lockcount * 10)) >
wl->wl_bufcount_max / 2) ||
- (wapbl_transaction_len(wl) > wl->wl_circ_size / 2);
+ (wapbl_transaction_len(wl) > wl->wl_circ_size / 2) ||
+ (wl->wl_dealloccnt >=
+ (wl->wl_dealloclim - (wl->wl_dealloclim >> 8)));
mutex_exit(&wl->wl_mtx);
if (doflush) {
WAPBL_PRINTF(WAPBL_PRINT_FLUSH,
("force flush lockcnt=%d bufbytes=%zu "
- "(max=%zu) bufcount=%zu (max=%zu)\n",
+ "(max=%zu) bufcount=%zu (max=%zu) "
+ "dealloccnt %d (lim=%d)\n",
lockcount, wl->wl_bufbytes,
wl->wl_bufbytes_max, wl->wl_bufcount,
- wl->wl_bufcount_max));
+ wl->wl_bufcount_max,
+ wl->wl_dealloccnt, wl->wl_dealloclim));
}
if (doflush) {
