diff options
Diffstat (limited to 'drivers/md/dm-thin.c')
| -rw-r--r-- | drivers/md/dm-thin.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 04e7f3be4fad..da42c4916ce6 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1494,17 +1494,6 @@ static void process_discard_cell_no_passdown(struct thin_c *tc, pool->process_prepared_discard(m); } -/* - * __bio_inc_remaining() is used to defer parent bios's end_io until - * we _know_ all chained sub range discard bios have completed. - */ -static inline void __bio_inc_remaining(struct bio *bio) -{ - bio->bi_flags |= (1 << BIO_CHAIN); - smp_mb__before_atomic(); - atomic_inc(&bio->__bi_remaining); -} - static void break_up_discard_bio(struct thin_c *tc, dm_block_t begin, dm_block_t end, struct bio *bio) { @@ -1560,7 +1549,7 @@ static void break_up_discard_bio(struct thin_c *tc, dm_block_t begin, dm_block_t * the implicit decrement that occurs via bio_endio() in * process_prepared_discard_{passdown,no_passdown}. */ - __bio_inc_remaining(bio); + bio_inc_remaining(bio); if (!dm_deferred_set_add_work(pool->all_io_ds, &m->list)) pool->process_prepared_discard(m); |