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Subject[PATCH 05/17] writeback: quit throttling when signal pending
This allows quick response to Ctrl-C etc. for impatient users.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
mm/page-writeback.c | 3 +++
1 file changed, 3 insertions(+)
--- linux-next.orig/mm/page-writeback.c 2010-09-09 16:01:14.000000000 +0800
+++ linux-next/mm/page-writeback.c 2010-09-09 16:02:27.000000000 +0800
@@ -553,6 +553,9 @@ static void balance_dirty_pages(struct a
__set_current_state(TASK_INTERRUPTIBLE);
io_schedule_timeout(pause);

+ if (signal_pending(current))
+ break;
+
check_exceeded:
/*
* The bdi thresh is somehow "soft" limit derived from the



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