| SCSI_DEVICE_GET(9) | SCSI mid layer | SCSI_DEVICE_GET(9) |
NAME¶
scsi_device_get - get an additional reference to a scsi_device
SYNOPSIS¶
int scsi_device_get(struct scsi_device * sdev);
ARGUMENTS¶
sdev
device to get a reference to
DESCRIPTION¶
Gets a reference to the scsi_device and increments the use count of the underlying LLDD module. You must hold host_lock of the parent Scsi_Host or already have a reference when calling this.
This will fail if a device is deleted or cancelled, or when the LLD module is in the process of being unloaded.
AUTHORS¶
James Bottomley <James.Bottomley@hansenpartnership.com>
Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |