diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/bsg.c | 37 | ||||
| -rw-r--r-- | block/ll_rw_blk.c | 4 |
2 files changed, 19 insertions, 22 deletions
diff --git a/block/bsg.c b/block/bsg.c index 0427ece9b6d8..4ea4bedb413f 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -34,7 +34,6 @@ static char bsg_version[] = "block layer sg (bsg) 0.4"; struct bsg_device { - struct gendisk *disk; request_queue_t *queue; spinlock_t lock; struct list_head busy_list; @@ -46,7 +45,7 @@ struct bsg_device { int done_cmds; wait_queue_head_t wq_done; wait_queue_head_t wq_free; - char name[BDEVNAME_SIZE]; + char name[BUS_ID_SIZE]; int max_queue; unsigned long flags; }; @@ -375,7 +374,7 @@ static void bsg_add_command(struct bsg_device *bd, request_queue_t *q, dprintk("%s: queueing rq %p, bc %p\n", bd->name, rq, bc); rq->end_io_data = bc; - blk_execute_rq_nowait(q, bd->disk, rq, 1, bsg_rq_end_io); + blk_execute_rq_nowait(q, NULL, rq, 1, bsg_rq_end_io); } static inline struct bsg_command *bsg_next_done_cmd(struct bsg_device *bd) @@ -741,7 +740,7 @@ out: } static struct bsg_device *bsg_add_device(struct inode *inode, - struct gendisk *disk, + struct request_queue *rq, struct file *file) { struct bsg_device *bd = NULL; @@ -753,17 +752,16 @@ static struct bsg_device *bsg_add_device(struct inode *inode, if (!bd) return ERR_PTR(-ENOMEM); - bd->disk = disk; - bd->queue = disk->queue; - kobject_get(&disk->queue->kobj); + bd->queue = rq; + kobject_get(&rq->kobj); bsg_set_block(bd, file); atomic_set(&bd->ref_count, 1); bd->minor = iminor(inode); mutex_lock(&bsg_mutex); - hlist_add_head(&bd->dev_list,&bsg_device_list[bsg_list_idx(bd->minor)]); + hlist_add_head(&bd->dev_list, &bsg_device_list[bsg_list_idx(bd->minor)]); - strncpy(bd->name, disk->disk_name, sizeof(bd->name) - 1); + strncpy(bd->name, rq->bsg_dev.class_dev->class_id, sizeof(bd->name) - 1); dprintk("bound to <%s>, max queue %d\n", format_dev_t(buf, inode->i_rdev), bd->max_queue); @@ -817,7 +815,7 @@ static struct bsg_device *bsg_get_device(struct inode *inode, struct file *file) if (!bcd) return ERR_PTR(-ENODEV); - return bsg_add_device(inode, bcd->disk, file); + return bsg_add_device(inode, bcd->queue, file); } static int bsg_open(struct inode *inode, struct file *file) @@ -900,7 +898,7 @@ bsg_ioctl(struct inode *inode, struct file *file, unsigned int cmd, case SG_EMULATED_HOST: case SCSI_IOCTL_SEND_COMMAND: { void __user *uarg = (void __user *) arg; - return scsi_cmd_ioctl(file, bd->queue, bd->disk, cmd, uarg); + return scsi_cmd_ioctl(file, bd->queue, NULL, cmd, uarg); } case SG_IO: { struct request *rq; @@ -915,7 +913,7 @@ bsg_ioctl(struct inode *inode, struct file *file, unsigned int cmd, return PTR_ERR(rq); bio = rq->bio; - blk_execute_rq(bd->queue, bd->disk, rq, 0); + blk_execute_rq(bd->queue, NULL, rq, 0); blk_complete_sgv4_hdr_rq(rq, &hdr, bio); if (copy_to_user(uarg, &hdr, sizeof(hdr))) @@ -945,24 +943,23 @@ static struct file_operations bsg_fops = { .owner = THIS_MODULE, }; -void bsg_unregister_disk(struct gendisk *disk) +void bsg_unregister_queue(struct request_queue *q) { - struct bsg_class_device *bcd = &disk->bsg_dev; + struct bsg_class_device *bcd = &q->bsg_dev; if (!bcd->class_dev) return; mutex_lock(&bsg_mutex); - sysfs_remove_link(&bcd->disk->queue->kobj, "bsg"); + sysfs_remove_link(&q->kobj, "bsg"); class_device_destroy(bsg_class, MKDEV(BSG_MAJOR, bcd->minor)); bcd->class_dev = NULL; list_del_init(&bcd->list); mutex_unlock(&bsg_mutex); } -int bsg_register_disk(struct gendisk *disk) +int bsg_register_queue(struct request_queue *q, char *name) { - request_queue_t *q = disk->queue; struct bsg_class_device *bcd; dev_t dev; @@ -972,7 +969,7 @@ int bsg_register_disk(struct gendisk *disk) if (!q->request_fn) return 0; - bcd = &disk->bsg_dev; + bcd = &q->bsg_dev; memset(bcd, 0, sizeof(*bcd)); INIT_LIST_HEAD(&bcd->list); @@ -980,8 +977,8 @@ int bsg_register_disk(struct gendisk *disk) dev = MKDEV(BSG_MAJOR, bsg_device_nr); bcd->minor = bsg_device_nr; bsg_device_nr++; - bcd->disk = disk; - bcd->class_dev = class_device_create(bsg_class, NULL, dev, bcd->dev, "%s", disk->disk_name); + bcd->queue = q; + bcd->class_dev = class_device_create(bsg_class, NULL, dev, bcd->dev, "%s", name); if (!bcd->class_dev) goto err; list_add_tail(&bcd->list, &bsg_class_list); diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 3795e0708a22..74a5498c29a1 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -4091,7 +4091,7 @@ int blk_register_queue(struct gendisk *disk) return ret; } - ret = bsg_register_disk(disk); + ret = bsg_register_queue(q, disk->disk_name); if (ret) { elv_unregister_queue(q); kobject_unregister(&q->kobj); @@ -4106,7 +4106,7 @@ void blk_unregister_queue(struct gendisk *disk) request_queue_t *q = disk->queue; if (q && q->request_fn) { - bsg_unregister_disk(disk); + bsg_unregister_queue(q); elv_unregister_queue(q); kobject_uevent(&q->kobj, KOBJ_REMOVE); |