iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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 <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20230804104248.118924-6-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ranjan Kumar 2023-08-04 16:12:47 +05:30 committed by Martin K. Petersen
parent e7a8648e1c
commit d9a5ab0ea9
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/scsi/mpi3mr/mpi3mr_os.c
View File

@ -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) {