[PATCH] [6/48] Suspend2 2.1.9.8 for 2.6.12: 351-syncthreads.patch

Nigel Cunningham
2005-07-06T02:26:55Z

diff -ruNp 352-disable-pdflush-during-suspend.patch-old/mm/page-writeback.c 352-disable-pdflush-during-suspend.patch-new/mm/page-writeback.c
--- 352-disable-pdflush-during-suspend.patch-old/mm/page-writeback.c 2005-06-20 11:47:32.000000000 +1000
+++ 352-disable-pdflush-during-suspend.patch-new/mm/page-writeback.c 2005-07-04 23:14:19.000000000 +1000
@@ -29,6 +29,7 @@
#include <linux/sysctl.h>
#include <linux/cpu.h>
#include <linux/syscalls.h>
+#include <linux/suspend.h>

/*
* The maximum number of pages to writeout in a single bdflush/kupdate
@@ -404,6 +405,12 @@ static void wb_kupdate(unsigned long arg
.for_kupdate = 1,
};

+ if (test_suspend_state(SUSPEND_DISABLE_SYNCING)) {
+ start_jif = jiffies;
+ next_jif = start_jif + (dirty_writeback_centisecs * HZ) / 100;
+ goto out;
+ }
+
sync_supers();

get_writeback_state(&wbs);
@@ -424,6 +431,8 @@ static void wb_kupdate(unsigned long arg
}
nr_to_write -= MAX_WRITEBACK_PAGES - wbc.nr_to_write;
}
+
+out:
if (time_before(next_jif, jiffies + HZ))
next_jif = jiffies + HZ;
if (dirty_writeback_centisecs)