Hi,
Fix wrong queue mapping for kdump kernel since blk-mq updates
nr_hw_queues to 1, so driver and blk-mq may have different queue topo.
V3:
- cover more drivers
- clean up blk-mq a bit, as suggested by Christoph
V2:
- add helper of scsi_max_nr_hw_queues() for avoiding potential build
failure because scsi driver often doesn't deal with blk-mq directly
- apply scsi_max_nr_hw_queues() for all scsi changes
- move lpfc's change into managed irq code path
Ming Lei (14):
blk-mq: add blk_mq_max_nr_hw_queues()
nvme-pci: use blk_mq_max_nr_hw_queues() to calculate io queues
ublk: limit max allowed nr_hw_queues
virtio-blk: limit max allowed submit queues
scsi: core: add helper of scsi_max_nr_hw_queues()
scsi: lpfc: use blk_mq_max_nr_hw_queues() to calculate io vectors
scsi: mpi3mr: take blk_mq_max_nr_hw_queues() into account for
calculating io vectors
scsi: megaraid: take blk_mq_max_nr_hw_queues() into account for
calculating io vectors
scsi: mpt3sas: take blk_mq_max_nr_hw_queues() into account for
calculating io vectors
scsi: pm8001: take blk_mq_max_nr_hw_queues() into account for
calculating io vectors
scsi: hisi: take blk_mq_max_nr_hw_queues() into account for
calculating io vectors
scsi: ufs: limit max allowed nr_hw_queues
scsi: storvsc: limit max allowed nr_hw_queues
blk-mq: add helpers for treating kdump kernel
block/blk-mq.c | 55 ++++++++++++++++++-----
drivers/block/ublk_drv.c | 2 +-
drivers/block/virtio_blk.c | 3 +-
drivers/nvme/host/pci.c | 2 +-
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 3 ++
drivers/scsi/lpfc/lpfc_init.c | 2 +
drivers/scsi/megaraid/megaraid_sas_base.c | 6 ++-
drivers/scsi/mpi3mr/mpi3mr_fw.c | 3 ++
drivers/scsi/mpt3sas/mpt3sas_base.c | 4 +-
drivers/scsi/pm8001/pm8001_init.c | 4 +-
drivers/scsi/storvsc_drv.c | 3 ++
drivers/ufs/core/ufs-mcq.c | 2 +-
include/linux/blk-mq.h | 1 +
include/scsi/scsi_host.h | 5 +++
14 files changed, 75 insertions(+), 20 deletions(-)
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2.40.1
