diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2007-09-14 13:06:53 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:05:08 +0200 |
| commit | 761a15e7ac0be7df0c86a55f38a84c080fa179ae (patch) | |
| tree | 9baea030284d65bdbe82be3d580e9b6f7f9b86b2 | |
| parent | bb879463b5346302a3891ebb7406247c53cebac1 (diff) | |
pktcdvd: don't rely on bio_init() preserving bio->bi_io_vec
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | drivers/block/pktcdvd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 540bf367698..ba2f550963b 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1133,16 +1133,20 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt) * 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; p = (f * CD_FRAMESIZE) / PAGE_SIZE; offset = (f * CD_FRAMESIZE) % PAGE_SIZE; @@ -1439,6 +1443,7 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) 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; 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(); |