Scroll to navigation

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

struct scsi_device * 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

June 2017 Kernel Hackers Manual 4.11