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authorChristoph Hellwig <hch@lst.de>2022-02-02 19:01:05 +0300
committerJens Axboe <axboe@kernel.dk>2022-02-04 17:43:18 +0300
commit3c4b455ef8acdacd0e5ecd33428d4f32f861637a (patch)
treeacc2d4b3fdd564ccb20f70990ab6034e3d4e85a7 /drivers
parent891fced644a7529bfd4b1436b2341527ce8f68ad (diff)
downloadlinux-3c4b455ef8acdacd0e5ecd33428d4f32f861637a.tar.xz
dm-cache: remove __remap_to_origin_clear_discard
Fold __remap_to_origin_clear_discard into the two callers to prepare for bio cloning refactoring. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Link: https://lore.kernel.org/r/20220202160109.108149-10-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm-cache-target.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 447d030036d1..1c37fe028e53 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);