Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7d3eecf7 authored by Moore, Eric's avatar Moore, Eric Committed by James Bottomley
Browse files

[SCSI] fusion: target reset when drive is being removed 



The issuing of the target reset
used in device hot removal case so the
firmware queue is flushed out off outstanding
commands.

Signed-off-by: default avatarEric Moore <Eric.Moore@lsil.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent c73787ee

drivers/message/fusion/mptsas.c

+23 −1
Original line number Diff line number Diff line
@@ -324,6 +324,7 @@ mptsas_slave_destroy(struct scsi_device *sdev) 
	struct sas_rphy *rphy;

	struct mptsas_portinfo *p;

	int i;

	VirtDevice *vdev;



	/*

	 * Handle hotplug removal case.
@@ -347,8 +348,29 @@ mptsas_slave_destroy(struct scsi_device *sdev) 
 out:

	mutex_unlock(&hd->ioc->sas_topology_mutex);

	/*

	 * TODO: Issue target reset to flush firmware outstanding commands.

	 * Issue target reset to flush firmware outstanding commands.

	 */

	vdev = sdev->hostdata;

	if (vdev->configured_lun){

		if (mptscsih_TMHandler(hd,

		     MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,

		     vdev->bus_id,

		     vdev->target_id,

		     0, 0, 5 /* 5 second timeout */)

		     < 0){



			/* The TM request failed!

			 * Fatal error case.

			 */

			printk(MYIOC_s_WARN_FMT

		       "Error processing TaskMgmt id=%d TARGET_RESET\n",

				hd->ioc->name,

				vdev->target_id);



			hd->tmPending = 0;

			hd->tmState = TM_STATE_NONE;

		}

	}

	mptscsih_slave_destroy(sdev);

}