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authorJens Axboe <axboe@kernel.dk>2022-03-07 12:46:13 -0700
committerJens Axboe <axboe@kernel.dk>2022-03-07 12:46:13 -0700
commitbc8419944f68161810702ea353aace17846829bc (patch)
treea8cb05b12d92a592037e75f8879f70833a0395a5 /drivers/md/dm-cache-target.c
parentffb217a13a2eaf6d5bd974fc83036a53ca69f1e2 (diff)
parent97939610b893de068c82c347d06319cd231a4602 (diff)
Merge branch 'for-5.18/block' into for-5.18/64bit-pi
* for-5.18/block: (96 commits) block: remove bio_devname ext4: stop using bio_devname raid5-ppl: stop using bio_devname raid1: stop using bio_devname md-multipath: stop using bio_devname dm-integrity: stop using bio_devname dm-crypt: stop using bio_devname pktcdvd: remove a pointless debug check in pkt_submit_bio block: remove handle_bad_sector block: fix and cleanup bio_check_ro bfq: fix use-after-free in bfq_dispatch_request blk-crypto: show crypto capabilities in sysfs block: don't delete queue kobject before its children block: simplify calling convention of elv_unregister_queue() block: remove redundant semicolon block: default BLOCK_LEGACY_AUTOLOAD to y block: update io_ticks when io hang block, bfq: don't move oom_bfqq block, bfq: avoid moving bfqq to it's parent bfqg block, bfq: cleanup bfq_bfqq_to_bfqg() ...
Diffstat (limited to 'drivers/md/dm-cache-target.c')
-rw-r--r--drivers/md/dm-cache-target.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 447d030036d1..89fdfb49d564 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,
@@ -826,16 +819,15 @@ static void issue_op(struct bio *bio, void *context)
static void remap_to_origin_and_cache(struct cache *cache, struct bio *bio,
dm_oblock_t oblock, dm_cblock_t cblock)
{
- struct bio *origin_bio = bio_clone_fast(bio, GFP_NOIO, &cache->bs);
+ struct bio *origin_bio = bio_alloc_clone(cache->origin_dev->bdev, bio,
+ GFP_NOIO, &cache->bs);
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);
+
+ 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);