summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 32b958dbc499..0b9de07d585b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1249,13 +1249,13 @@ static void clone_bio(struct dm_target_io *tio, struct bio *bio,
}
static struct dm_target_io *alloc_tio(struct clone_info *ci,
- struct dm_target *ti, int nr_iovecs,
+ struct dm_target *ti,
unsigned target_bio_nr)
{
struct dm_target_io *tio;
struct bio *clone;
- clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, ci->md->bs);
+ clone = bio_alloc_bioset(GFP_NOIO, 0, ci->md->bs);
tio = container_of(clone, struct dm_target_io, clone);
tio->io = ci->io;
@@ -1269,17 +1269,12 @@ static void __clone_and_map_simple_bio(struct clone_info *ci,
struct dm_target *ti,
unsigned target_bio_nr, unsigned *len)
{
- struct dm_target_io *tio = alloc_tio(ci, ti, ci->bio->bi_max_vecs, target_bio_nr);
+ struct dm_target_io *tio = alloc_tio(ci, ti, target_bio_nr);
struct bio *clone = &tio->clone;
tio->len_ptr = len;
- /*
- * Discard requests require the bio's inline iovecs be initialized.
- * ci->bio->bi_max_vecs is BIO_INLINE_VECS anyway, for both flush
- * and discard, so no need for concern about wasted bvec allocations.
- */
- __bio_clone_fast(clone, ci->bio);
+ __bio_clone_fast(clone, ci->bio);
if (len)
bio_setup_sector(clone, ci->sector, *len);
@@ -1322,7 +1317,7 @@ static void __clone_and_map_data_bio(struct clone_info *ci, struct dm_target *ti
num_target_bios = ti->num_write_bios(ti, bio);
for (target_bio_nr = 0; target_bio_nr < num_target_bios; target_bio_nr++) {
- tio = alloc_tio(ci, ti, 0, target_bio_nr);
+ tio = alloc_tio(ci, ti, target_bio_nr);
tio->len_ptr = len;
clone_bio(tio, bio, sector, *len);
__map_bio(tio);