Commit d9a5ab0e authored by Ranjan Kumar's avatar Ranjan Kumar Committed by Martin K. Petersen
Browse files

scsi: mpi3mr: Enhance handling of devices removed after controller reset 



Mark all of the devices that are exposed to the OS prior to a controller
reset and not detected by the controller after the reset as removed devices
and the I/Os to those devices are unblocked (and returned with
DID_NO_CONNECT) prior to removing the devices one after the other.

Signed-off-by: default avatarRanjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20230804104248.118924-6-ranjan.kumar@broadcom.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent e7a8648e

drivers/scsi/mpi3mr/mpi3mr_os.c

+13 −0
Original line number Diff line number Diff line
@@ -1041,6 +1041,19 @@ mpi3mr_update_sdev(struct scsi_device *sdev, void *data) 
void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc)

{

	struct mpi3mr_tgt_dev *tgtdev, *tgtdev_next;

	struct mpi3mr_stgt_priv_data *tgt_priv;



	dprint_reset(mrioc, "refresh target devices: check for removals\n");

	list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list,

	    list) {

		if ((tgtdev->dev_handle == MPI3MR_INVALID_DEV_HANDLE) &&

		    tgtdev->host_exposed && tgtdev->starget &&

		    tgtdev->starget->hostdata) {

			tgt_priv = tgtdev->starget->hostdata;

			tgt_priv->dev_removed = 1;

			atomic_set(&tgt_priv->block_io, 0);

		}

	}



	list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list,

	    list) {