diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/scsi_priv.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 17 |
3 files changed, 21 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 8df8267ce31..60f77c4b394 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1346,7 +1346,7 @@ int scsi_prep_return(struct request_queue *q, struct request *req, int ret) } EXPORT_SYMBOL(scsi_prep_return); -static int scsi_prep_fn(struct request_queue *q, struct request *req) +int scsi_prep_fn(struct request_queue *q, struct request *req) { struct scsi_device *sdev = q->queuedata; int ret = BLKPREP_KILL; diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index ee8efe849bf..1de52b6ded4 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -73,6 +73,9 @@ extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev); extern void scsi_free_queue(struct request_queue *q); extern int scsi_init_queue(void); extern void scsi_exit_queue(void); +struct request_queue; +struct request; +extern int scsi_prep_fn(struct request_queue *, struct request *); /* scsi_proc.c */ #ifdef CONFIG_SCSI_PROC_FS diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index f374fdcb681..00b38667739 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -373,12 +373,29 @@ static int scsi_bus_resume(struct device * dev) return err; } +static int scsi_bus_remove(struct device *dev) +{ + struct device_driver *drv = dev->driver; + struct scsi_device *sdev = to_scsi_device(dev); + int err = 0; + + /* reset the prep_fn back to the default since the + * driver may have altered it and it's being removed */ + blk_queue_prep_rq(sdev->request_queue, scsi_prep_fn); + + if (drv && drv->remove) + err = drv->remove(dev); + + return 0; +} + struct bus_type scsi_bus_type = { .name = "scsi", .match = scsi_bus_match, .uevent = scsi_bus_uevent, .suspend = scsi_bus_suspend, .resume = scsi_bus_resume, + .remove = scsi_bus_remove, }; int scsi_sysfs_register(void) |