diff options
Diffstat (limited to 'drivers/scsi/libata-scsi.c')
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index da9689b70826..3dc6188af0e8 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -2762,3 +2762,27 @@ void ata_scsi_scan_host(struct ata_port *ap) } } } + +/** + * ata_scsi_offline_dev - offline attached SCSI device + * @dev: ATA device to offline attached SCSI device for + * + * This function is called from ata_eh_hotplug() and responsible + * for taking the SCSI device attached to @dev offline. This + * function is called with host_set lock which protects dev->sdev + * against clearing. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + * + * RETURNS: + * 1 if attached SCSI device exists, 0 otherwise. + */ +int ata_scsi_offline_dev(struct ata_device *dev) +{ + if (dev->sdev) { + scsi_device_set_state(dev->sdev, SDEV_OFFLINE); + return 1; + } + return 0; +} |