diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index db9e46114653..3f39fa1ac756 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -26,6 +26,7 @@ #include <linux/pr.h> #include <linux/refcount.h> #include <linux/part_stat.h> +#include <linux/blk-crypto.h> #define DM_MSG_PREFIX "core" @@ -680,11 +681,7 @@ static void start_io_acct(struct dm_io *io) struct mapped_device *md = io->md; struct bio *bio = io->orig_bio; - io->start_time = jiffies; - - generic_start_io_acct(md->queue, bio_op(bio), bio_sectors(bio), - &dm_disk(md)->part0); - + io->start_time = bio_start_io_acct(bio); if (unlikely(dm_stats_used(&md->stats))) dm_stats_account_io(&md->stats, bio_data_dir(bio), bio->bi_iter.bi_sector, bio_sectors(bio), @@ -697,8 +694,7 @@ static void end_io_acct(struct dm_io *io) struct bio *bio = io->orig_bio; unsigned long duration = jiffies - io->start_time; - generic_end_io_acct(md->queue, bio_op(bio), &dm_disk(md)->part0, - io->start_time); + bio_end_io_acct(bio, io->start_time); if (unlikely(dm_stats_used(&md->stats))) dm_stats_account_io(&md->stats, bio_data_dir(bio), @@ -1334,6 +1330,8 @@ static int clone_bio(struct dm_target_io *tio, struct bio *bio, __bio_clone_fast(clone, bio); + bio_crypt_clone(clone, bio, GFP_NOIO); + if (bio_integrity(bio)) { int r; @@ -1788,6 +1786,18 @@ static blk_qc_t dm_make_request(struct request_queue *q, struct bio *bio) int srcu_idx; struct dm_table *map; + if (dm_get_md_type(md) == DM_TYPE_REQUEST_BASED) { + /* + * We are called with a live reference on q_usage_counter, but + * that one will be released as soon as we return. Grab an + * extra one as blk_mq_make_request expects to be able to + * consume a reference (which lives until the request is freed + * in case a request is allocated). + */ + percpu_ref_get(&q->q_usage_counter); + return blk_mq_make_request(q, bio); + } + map = dm_get_live_table(md, &srcu_idx); /* if we're suspended, we have to queue this io for later */ |