Commit 852ad96c authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe

pktcdvd: stop using bio_reset

Just initialize the bios on-demand.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220406061228.410163-6-hch@lst.deSigned-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 066ff571
......@@ -525,7 +525,6 @@ static struct packet_data *pkt_alloc_packet_data(int frames)
pkt->w_bio = bio_kmalloc(frames, GFP_KERNEL);
if (!pkt->w_bio)
goto no_bio;
bio_init(pkt->w_bio, NULL, pkt->w_bio->bi_inline_vecs, frames, 0);
for (i = 0; i < frames / FRAMES_PER_PAGE; i++) {
pkt->pages[i] = alloc_page(GFP_KERNEL|__GFP_ZERO);
......@@ -537,26 +536,20 @@ static struct packet_data *pkt_alloc_packet_data(int frames)
bio_list_init(&pkt->orig_bios);
for (i = 0; i < frames; i++) {
struct bio *bio = bio_kmalloc(1, GFP_KERNEL);
if (!bio)
pkt->r_bios[i] = bio_kmalloc(1, GFP_KERNEL);
if (!pkt->r_bios[i])
goto no_rd_bio;
bio_init(bio, NULL, bio->bi_inline_vecs, 1, 0);
pkt->r_bios[i] = bio;
}
return pkt;
no_rd_bio:
for (i = 0; i < frames; i++) {
if (pkt->r_bios[i])
bio_uninit(pkt->r_bios[i]);
for (i = 0; i < frames; i++)
kfree(pkt->r_bios[i]);
}
no_page:
for (i = 0; i < frames / FRAMES_PER_PAGE; i++)
if (pkt->pages[i])
__free_page(pkt->pages[i]);
bio_uninit(pkt->w_bio);
kfree(pkt->w_bio);
no_bio:
kfree(pkt);
......@@ -571,13 +564,10 @@ static void pkt_free_packet_data(struct packet_data *pkt)
{
int i;
for (i = 0; i < pkt->frames; i++) {
bio_uninit(pkt->r_bios[i]);
for (i = 0; i < pkt->frames; i++)
kfree(pkt->r_bios[i]);
}
for (i = 0; i < pkt->frames / FRAMES_PER_PAGE; i++)
__free_page(pkt->pages[i]);
bio_uninit(pkt->w_bio);
kfree(pkt->w_bio);
kfree(pkt);
}
......@@ -952,6 +942,7 @@ static void pkt_end_io_read(struct bio *bio)
if (bio->bi_status)
atomic_inc(&pkt->io_errors);
bio_uninit(bio);
if (atomic_dec_and_test(&pkt->io_wait)) {
atomic_inc(&pkt->run_sm);
wake_up(&pd->wqueue);
......@@ -969,6 +960,7 @@ static void pkt_end_io_packet_write(struct bio *bio)
pd->stats.pkt_ended++;
bio_uninit(bio);
pkt_bio_finished(pd);
atomic_dec(&pkt->io_wait);
atomic_inc(&pkt->run_sm);
......@@ -1023,7 +1015,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)
continue;
bio = pkt->r_bios[f];
bio_reset(bio, pd->bdev, REQ_OP_READ);
bio_init(bio, pd->bdev, bio->bi_inline_vecs, 1, REQ_OP_READ);
bio->bi_iter.bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9);
bio->bi_end_io = pkt_end_io_read;
bio->bi_private = pkt;
......@@ -1236,7 +1228,8 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
{
int f;
bio_reset(pkt->w_bio, pd->bdev, REQ_OP_WRITE);
bio_init(pkt->w_bio, pd->bdev, pkt->w_bio->bi_inline_vecs, pkt->frames,
REQ_OP_WRITE);
pkt->w_bio->bi_iter.bi_sector = pkt->sector;
pkt->w_bio->bi_end_io = pkt_end_io_packet_write;
pkt->w_bio->bi_private = pkt;
......
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