size_t count)
{
unsigned int major, minor;
+
if (sscanf(buf, "%u:%u", &major, &minor) == 2) {
+ /* pkt_setup_dev() expects caller to hold reference to self */
+ if (!try_module_get(THIS_MODULE))
+ return -ENODEV;
+
pkt_setup_dev(MKDEV(major, minor), NULL);
+
+ module_put(THIS_MODULE);
+
return count;
}
+
return -EINVAL;
}
}
}
-static int pkt_end_io_read(struct bio *bio, unsigned int bytes_done, int err)
+static void pkt_end_io_read(struct bio *bio, int err)
{
struct packet_data *pkt = bio->bi_private;
struct pktcdvd_device *pd = pkt->pd;
BUG_ON(!pd);
- if (bio->bi_size)
- return 1;
-
VPRINTK("pkt_end_io_read: bio=%p sec0=%llx sec=%llx err=%d\n", bio,
(unsigned long long)pkt->sector, (unsigned long long)bio->bi_sector, err);
wake_up(&pd->wqueue);
}
pkt_bio_finished(pd);
-
- return 0;
}
-static int pkt_end_io_packet_write(struct bio *bio, unsigned int bytes_done, int err)
+static void pkt_end_io_packet_write(struct bio *bio, int err)
{
struct packet_data *pkt = bio->bi_private;
struct pktcdvd_device *pd = pkt->pd;
BUG_ON(!pd);
- if (bio->bi_size)
- return 1;
-
VPRINTK("pkt_end_io_packet_write: id=%d, err=%d\n", pkt->id, err);
pd->stats.pkt_ended++;
atomic_dec(&pkt->io_wait);
atomic_inc(&pkt->run_sm);
wake_up(&pd->wqueue);
- return 0;
}
/*
* Schedule reads for missing parts of the packet.
*/
for (f = 0; f < pkt->frames; f++) {
+ struct bio_vec *vec;
+
int p, offset;
if (written[f])
continue;
bio = pkt->r_bios[f];
+ vec = bio->bi_io_vec;
bio_init(bio);
bio->bi_max_vecs = 1;
bio->bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9);
bio->bi_bdev = pd->bdev;
bio->bi_end_io = pkt_end_io_read;
bio->bi_private = pkt;
+ bio->bi_io_vec = vec;
+ bio->bi_destructor = pkt_bio_destructor;
p = (f * CD_FRAMESIZE) / PAGE_SIZE;
offset = (f * CD_FRAMESIZE) % PAGE_SIZE;
pkt->w_bio->bi_bdev = pd->bdev;
pkt->w_bio->bi_end_io = pkt_end_io_packet_write;
pkt->w_bio->bi_private = pkt;
+ pkt->w_bio->bi_io_vec = bvec;
+ pkt->w_bio->bi_destructor = pkt_bio_destructor;
for (f = 0; f < pkt->frames; f++)
if (!bio_add_page(pkt->w_bio, bvec[f].bv_page, CD_FRAMESIZE, bvec[f].bv_offset))
BUG();
while (bio) {
next = bio->bi_next;
bio->bi_next = NULL;
- bio_endio(bio, bio->bi_size, uptodate ? 0 : -EIO);
+ bio_endio(bio, uptodate ? 0 : -EIO);
bio = next;
}
pkt->orig_bios = pkt->orig_bios_tail = NULL;
}
-static int pkt_end_io_read_cloned(struct bio *bio, unsigned int bytes_done, int err)
+static void pkt_end_io_read_cloned(struct bio *bio, int err)
{
struct packet_stacked_data *psd = bio->bi_private;
struct pktcdvd_device *pd = psd->pd;
- if (bio->bi_size)
- return 1;
-
bio_put(bio);
- bio_endio(psd->bio, psd->bio->bi_size, err);
+ bio_endio(psd->bio, err);
mempool_free(psd, psd_pool);
pkt_bio_finished(pd);
- return 0;
}
static int pkt_make_request(struct request_queue *q, struct bio *bio)
}
return 0;
end_io:
- bio_io_error(bio, bio->bi_size);
+ bio_io_error(bio);
return 0;
}