From a7a07e69653acf8540daa1da053cd84bf86e8e66 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 9 Dec 2010 16:04:25 +1100
Subject: md: move code in to submit_flushes.

submit_flushes is called from exactly one place.
Move the code that is before and after that call into
submit_flushes.

This has not functional change, but will make the next patch
smaller and easier to follow.

Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 83b6cb3..31f8e15 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -371,10 +371,14 @@ static void md_end_flush(struct bio *bio, int err)
 	bio_put(bio);
 }
 
+static void md_submit_flush_data(struct work_struct *ws);
+
 static void submit_flushes(mddev_t *mddev)
 {
 	mdk_rdev_t *rdev;
 
+	INIT_WORK(&mddev->flush_work, md_submit_flush_data);
+	atomic_set(&mddev->flush_pending, 1);
 	rcu_read_lock();
 	list_for_each_entry_rcu(rdev, &mddev->disks, same_set)
 		if (rdev->raid_disk >= 0 &&
@@ -397,6 +401,8 @@ static void submit_flushes(mddev_t *mddev)
 			rdev_dec_pending(rdev, mddev);
 		}
 	rcu_read_unlock();
+	if (atomic_dec_and_test(&mddev->flush_pending))
+		queue_work(md_wq, &mddev->flush_work);
 }
 
 static void md_submit_flush_data(struct work_struct *ws)
@@ -426,13 +432,7 @@ void md_flush_request(mddev_t *mddev, struct bio *bio)
 	mddev->flush_bio = bio;
 	spin_unlock_irq(&mddev->write_lock);
 
-	atomic_set(&mddev->flush_pending, 1);
-	INIT_WORK(&mddev->flush_work, md_submit_flush_data);
-
 	submit_flushes(mddev);
-
-	if (atomic_dec_and_test(&mddev->flush_pending))
-		queue_work(md_wq, &mddev->flush_work);
 }
 EXPORT_SYMBOL(md_flush_request);
 
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