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 90341b7fa5809ccd2e96f7c83f6389312cdbf538..a43d280e9bc544ddbdd2e1a0acb1a3552eb6f88d 100644 (file)
--- 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);
        }
 }