lightnvm: pblk: allocate bio size more accurately
Wait until we know the exact number of ppas to be sent to the device,
before allocating the bio.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c
index 05e6b2e..1173e23 100644
--- a/drivers/lightnvm/pblk-rb.c
+++ b/drivers/lightnvm/pblk-rb.c
@@ -552,12 +552,13 @@ unsigned int pblk_rb_read_to_bio_list(struct pblk_rb *rb, struct bio *bio,
* persist data on the write buffer to the media.
*/
unsigned int pblk_rb_read_to_bio(struct pblk_rb *rb, struct nvm_rq *rqd,
- struct bio *bio, unsigned int pos,
- unsigned int nr_entries, unsigned int count)
+ unsigned int pos, unsigned int nr_entries,
+ unsigned int count)
{
struct pblk *pblk = container_of(rb, struct pblk, rwb);
struct request_queue *q = pblk->dev->q;
struct pblk_c_ctx *c_ctx = nvm_rq_to_pdu(rqd);
+ struct bio *bio = rqd->bio;
struct pblk_rb_entry *entry;
struct page *page;
unsigned int pad = 0, to_read = nr_entries;