Fold __remap_to_origin_clear_discard into the two callers to prepare
for bio cloning refactoring.

Signed-off-by: Christoph Hellwig <[email protected]>
---
 drivers/md/dm-cache-target.c | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 447d030036d18..1c37fe028e531 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -744,21 +744,14 @@ static void check_if_tick_bio_needed(struct cache *cache, 
struct bio *bio)
        spin_unlock_irq(&cache->lock);
 }
 
-static void __remap_to_origin_clear_discard(struct cache *cache, struct bio 
*bio,
-                                           dm_oblock_t oblock, bool 
bio_has_pbd)
-{
-       if (bio_has_pbd)
-               check_if_tick_bio_needed(cache, bio);
-       remap_to_origin(cache, bio);
-       if (bio_data_dir(bio) == WRITE)
-               clear_discard(cache, oblock_to_dblock(cache, oblock));
-}
-
 static void remap_to_origin_clear_discard(struct cache *cache, struct bio *bio,
                                          dm_oblock_t oblock)
 {
        // FIXME: check_if_tick_bio_needed() is called way too much through 
this interface
-       __remap_to_origin_clear_discard(cache, bio, oblock, true);
+       check_if_tick_bio_needed(cache, bio);
+       remap_to_origin(cache, bio);
+       if (bio_data_dir(bio) == WRITE)
+               clear_discard(cache, oblock_to_dblock(cache, oblock));
 }
 
 static void remap_to_cache_dirty(struct cache *cache, struct bio *bio,
@@ -831,11 +824,10 @@ static void remap_to_origin_and_cache(struct cache 
*cache, struct bio *bio,
        BUG_ON(!origin_bio);
 
        bio_chain(origin_bio, bio);
-       /*
-        * Passing false to __remap_to_origin_clear_discard() skips
-        * all code that might use per_bio_data (since clone doesn't have it)
-        */
-       __remap_to_origin_clear_discard(cache, origin_bio, oblock, false);
+
+       remap_to_origin(cache, origin_bio);
+       if (bio_data_dir(origin_bio) == WRITE)
+               clear_discard(cache, oblock_to_dblock(cache, oblock));
        submit_bio(origin_bio);
 
        remap_to_cache(cache, bio, cblock);
-- 
2.30.2

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