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Subject[Suspend2][ 07/32] [Suspend2] Wait for bio completion.
Date
Submit any outstanding batched I/O, kick kblockd, io_schedule() and see
what we can cleanup.

Signed-off-by: Nigel Cunningham <nigel@suspend2.net>

kernel/power/suspend_block_io.c | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/kernel/power/suspend_block_io.c b/kernel/power/suspend_block_io.c
index cfff687..6f8b29e 100644
--- a/kernel/power/suspend_block_io.c
+++ b/kernel/power/suspend_block_io.c
@@ -310,3 +310,26 @@ static void suspend_cleanup_some_complet
spin_unlock_irqrestore(&ioinfo_ready_lock, flags);
}

+/* do_bio_wait
+ *
+ * Actions taken when we want some I/O to get run.
+ *
+ * Submit any I/O that's batched up (if we're not already doing
+ * that, unplug queues, schedule and clean up whatever we can.
+ */
+static void do_bio_wait(int caller)
+{
+ int num_submitted = 0;
+
+ nr_schedule_calls[caller]++;
+
+ /* Don't want to wait on I/O we haven't submitted! */
+ num_submitted = submit_batched();
+
+ kblockd_flush();
+
+ io_schedule();
+
+ suspend_cleanup_some_completed_io();
+}
+
--
Nigel Cunningham nigel at suspend2 dot net
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