| Message ID | 20230808104239.146085-6-ming.lei@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | blk-mq: fix wrong queue mapping for kdump kernel | expand |
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 70b7475dcf56..2273f855940f 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -803,6 +803,11 @@ extern int scsi_host_unblock(struct Scsi_Host *shost, int new_state); void scsi_host_busy_iter(struct Scsi_Host *, bool (*fn)(struct scsi_cmnd *, void *), void *priv); +static inline unsigned int scsi_max_nr_hw_queues(void) +{ + return blk_mq_max_nr_hw_queues(); +} + struct class_container; /*
blk_mq_alloc_tag_set() may change nr_hw_queues for kdump kernel, so driver has to take blk-mq max supported nr_hw_queues into account when figuring out nr_hw_queues from hardware info, for avoiding inconsistency between scsi driver and blk-mq. Add helper of scsi_max_nr_hw_queues() for avoiding nr_hw_queues inconsistency between scsi driver and blk-mq. Signed-off-by: Ming Lei <ming.lei@redhat.com> --- include/scsi/scsi_host.h | 5 +++++ 1 file changed, 5 insertions(+)