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| author | Ranjan Kumar <ranjan.kumar@broadcom.com> | 2023-08-04 12:42:47 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-08-08 03:41:48 +0200 |
| commit | d9a5ab0ea98fdee77fcbfec27bb3976de9615377 (patch) | |
| tree | 1c9d7a8df9b8b19f880b31e68c0101497d25b03c /drivers/scsi/mpi3mr/mpi3mr_os.c | |
| parent | scsi: mpi3mr: WRITE SAME implementation (diff) | |
| download | linux-d9a5ab0ea98fdee77fcbfec27bb3976de9615377.tar.xz linux-d9a5ab0ea98fdee77fcbfec27bb3976de9615377.zip | |
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 <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>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_os.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_os.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index fcf0888232e7..89ba015c5d7e 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) { |