scsi_internal_device_block — internal function to put a device temporarily into the SDEV_BLOCK state
|struct scsi_device * sdev,|
struct scsi_device * sdev
device to block
Whether or not to wait until ongoing .
queue_rq calls have finished.
Block request made by scsi lld's to temporarily stop all scsi commands on the specified device. May sleep.
Returns zero if successful or error if not
This routine transitions the device to the SDEV_BLOCK state (which must be a legal transition). When the device is in this state, all commands are deferred until the scsi lld reenables the device with scsi_device_unblock or device_block_tmo fires.
To do: avoid that
scsi_internal_device_block has blocked a SCSI device and also
remove the rport mutex lock and unlock calls from