diff options
author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-22 21:50:57 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-22 21:50:57 -0400 |
commit | a5324343955997d1439f26518ddac567cd5d134b (patch) | |
tree | f43558389c41e3a0f076c4ee55d77c4aa1561779 /drivers/block/pktcdvd.c | |
parent | 8199d3a79c224bbe5943fa08684e1f93a17881b0 (diff) | |
parent | a4936044001694f033fe4ea94d6034d51a6b465c (diff) |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'drivers/block/pktcdvd.c')
-rw-r--r-- | drivers/block/pktcdvd.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 1a1fa3ccb91..bc56770bcc9 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -914,8 +914,10 @@ static int pkt_handle_queue(struct pktcdvd_device *pd) bio = node->bio; zone = ZONE(bio->bi_sector, pd); list_for_each_entry(p, &pd->cdrw.pkt_active_list, list) { - if (p->sector == zone) + if (p->sector == zone) { + bio = NULL; goto try_next_bio; + } } break; try_next_bio: @@ -2019,7 +2021,13 @@ static int pkt_open(struct inode *inode, struct file *file) BUG_ON(pd->refcnt < 0); pd->refcnt++; - if (pd->refcnt == 1) { + if (pd->refcnt > 1) { + if ((file->f_mode & FMODE_WRITE) && + !test_bit(PACKET_WRITABLE, &pd->flags)) { + ret = -EBUSY; + goto out_dec; + } + } else { if (pkt_open_dev(pd, file->f_mode & FMODE_WRITE)) { ret = -EIO; goto out_dec; @@ -2406,7 +2414,7 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u case CDROM_LAST_WRITTEN: case CDROM_SEND_PACKET: case SCSI_IOCTL_SEND_COMMAND: - return ioctl_by_bdev(pd->bdev, cmd, arg); + return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg); case CDROMEJECT: /* @@ -2414,7 +2422,7 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u * have to unlock it or else the eject command fails. */ pkt_lock_door(pd, 0); - return ioctl_by_bdev(pd->bdev, cmd, arg); + return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg); default: printk("pktcdvd: Unknown ioctl for %s (%x)\n", pd->name, cmd); |