dm: eliminate need for start_io_acct() forward declaration

Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f7184b3..b5b18ba 100644 (file)
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -591,7 +591,44 @@ out:
        return r;
 }
 
-static void start_io_acct(struct dm_io *io);
+u64 dm_start_time_ns_from_clone(struct bio *bio)
+{
+       struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone);
+       struct dm_io *io = tio->io;
+
+       return jiffies_to_nsecs(io->start_time);
+}
+EXPORT_SYMBOL_GPL(dm_start_time_ns_from_clone);
+
+static void start_io_acct(struct dm_io *io)
+{
+       struct mapped_device *md = io->md;
+       struct bio *bio = io->orig_bio;
+
+       io->start_time = bio_start_io_acct(bio);
+       if (unlikely(dm_stats_used(&md->stats)))
+               dm_stats_account_io(&md->stats, bio_data_dir(bio),
+                                   bio->bi_iter.bi_sector, bio_sectors(bio),
+                                   false, 0, &io->stats_aux);
+}
+
+static void end_io_acct(struct dm_io *io)
+{
+       struct mapped_device *md = io->md;
+       struct bio *bio = io->orig_bio;
+       unsigned long duration = jiffies - io->start_time;
+
+       bio_end_io_acct(bio, io->start_time);
+
+       if (unlikely(dm_stats_used(&md->stats)))
+               dm_stats_account_io(&md->stats, bio_data_dir(bio),
+                                   bio->bi_iter.bi_sector, bio_sectors(bio),
+                                   true, duration, &io->stats_aux);
+
+       /* nudge anyone waiting on suspend queue */
+       if (unlikely(wq_has_sleeper(&md->wait)))
+               wake_up(&md->wait);
+}
 
 static struct dm_io *alloc_io(struct mapped_device *md, struct bio *bio)
 {
@@ -657,45 +694,6 @@ static void free_tio(struct dm_target_io *tio)
        bio_put(&tio->clone);
 }
 
-u64 dm_start_time_ns_from_clone(struct bio *bio)
-{
-       struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone);
-       struct dm_io *io = tio->io;
-
-       return jiffies_to_nsecs(io->start_time);
-}
-EXPORT_SYMBOL_GPL(dm_start_time_ns_from_clone);
-
-static void start_io_acct(struct dm_io *io)
-{
-       struct mapped_device *md = io->md;
-       struct bio *bio = io->orig_bio;
-
-       io->start_time = bio_start_io_acct(bio);
-       if (unlikely(dm_stats_used(&md->stats)))
-               dm_stats_account_io(&md->stats, bio_data_dir(bio),
-                                   bio->bi_iter.bi_sector, bio_sectors(bio),
-                                   false, 0, &io->stats_aux);
-}
-
-static void end_io_acct(struct dm_io *io)
-{
-       struct mapped_device *md = io->md;
-       struct bio *bio = io->orig_bio;
-       unsigned long duration = jiffies - io->start_time;
-
-       bio_end_io_acct(bio, io->start_time);
-
-       if (unlikely(dm_stats_used(&md->stats)))
-               dm_stats_account_io(&md->stats, bio_data_dir(bio),
-                                   bio->bi_iter.bi_sector, bio_sectors(bio),
-                                   true, duration, &io->stats_aux);
-
-       /* nudge anyone waiting on suspend queue */
-       if (unlikely(wq_has_sleeper(&md->wait)))
-               wake_up(&md->wait);
-}
-
 /*
  * Add the bio to the list of deferred io.
  */