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md: move code in to submit_flushes.

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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>
This commit is contained in:
NeilBrown 2010-12-09 16:04:25 +11:00
parent 2b74e12e56
commit a7a07e6965
1 changed files with 6 additions and 6 deletions
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12
drivers/md/md.c
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@ -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);