From: Christoph Hellwig <hch@lst.de>
Date: Wed, 2 Feb 2022 16:01:02 +0000 (+0100)
Subject: dm: pass the bio instead of tio to __map_bio
X-Git-Tag: x86-urgent-2022-04-03~40^2~47
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1561b396106d759fdf5f9a71b412e068f74d2cc9;p=users%2Fdwmw2%2Flinux.git

dm: pass the bio instead of tio to __map_bio

This simplifies the callers a bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Link: https://lore.kernel.org/r/20220202160109.108149-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 90341b7fa5809..a43d280e9bc54 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1117,11 +1117,11 @@ static noinline void __set_swap_bios_limit(struct mapped_device *md, int latch)
 	mutex_unlock(&md->swap_bios_lock);
 }
 
-static void __map_bio(struct dm_target_io *tio)
+static void __map_bio(struct bio *clone)
 {
+	struct dm_target_io *tio = clone_to_tio(clone);
 	int r;
 	sector_t sector;
-	struct bio *clone = &tio->clone;
 	struct dm_io *io = tio->io;
 	struct dm_target *ti = tio->ti;
 
@@ -1227,7 +1227,7 @@ static int __clone_and_map_data_bio(struct clone_info *ci, struct dm_target *ti,
 	if (bio_integrity(bio))
 		bio_integrity_trim(clone);
 
-	__map_bio(tio);
+	__map_bio(clone);
 	return 0;
 free_tio:
 	free_tio(tio);
@@ -1283,11 +1283,9 @@ static void __send_duplicate_bios(struct clone_info *ci, struct dm_target *ti,
 	alloc_multiple_bios(&blist, ci, ti, num_bios, len);
 
 	while ((clone = bio_list_pop(&blist))) {
-		struct dm_target_io *tio = clone_to_tio(clone);
-
 		if (len)
 			bio_setup_sector(clone, ci->sector, *len);
-		__map_bio(tio);
+		__map_bio(clone);
 	}
 }