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authorChristoph Hellwig <hch@lst.de>2022-04-06 08:12:28 +0200
committerJens Axboe <axboe@kernel.dk>2022-04-18 03:30:47 +0200
commit852ad96cb03621f7995764b4b31cbff9801d8bcd (patch)
treeb61edf70138866fda2b9ed5b78486d35651852c1 /drivers/block/pktcdvd.c
parentblock: turn bio_kmalloc into a simple kmalloc wrapper (diff)
downloadlinux-852ad96cb03621f7995764b4b31cbff9801d8bcd.tar.xz
linux-852ad96cb03621f7995764b4b31cbff9801d8bcd.zip
pktcdvd: stop using bio_reset
Just initialize the bios on-demand. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20220406061228.410163-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/pktcdvd.c')
-rw-r--r--drivers/block/pktcdvd.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 4a5b8730133c..f270080f1478 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -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;