From d9a5ab0ea98fdee77fcbfec27bb3976de9615377 Mon Sep 17 00:00:00 2001 From: Ranjan Kumar Date: Fri, 4 Aug 2023 16:12:47 +0530 Subject: [PATCH] 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: Ranjan Kumar Link: https://lore.kernel.org/r/20230804104248.118924-6-ranjan.kumar@broadcom.com Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr_os.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index fcf0888232e71..89ba015c5d7e8 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -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) { -- 2.30.2