diff options
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 48 |
1 files changed, 20 insertions, 28 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 2e28e2360c85..ec39acc986d6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -32,7 +32,7 @@ #include <scsi/scsi_driver.h> #include <scsi/scsi_eh.h> #include <scsi/scsi_host.h> -#include <scsi/scsi_transport.h> /* __scsi_init_queue() */ +#include <scsi/scsi_transport.h> /* scsi_init_limits() */ #include <scsi/scsi_dh.h> #include <trace/events/scsi.h> @@ -635,10 +635,9 @@ static bool scsi_end_request(struct request *req, blk_status_t error, if (blk_queue_add_random(q)) add_disk_randomness(req->q->disk); - if (!blk_rq_is_passthrough(req)) { - WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED)); - cmd->flags &= ~SCMD_INITIALIZED; - } + WARN_ON_ONCE(!blk_rq_is_passthrough(req) && + !(cmd->flags & SCMD_INITIALIZED)); + cmd->flags = 0; /* * Calling rcu_barrier() is not necessary here because the @@ -1870,7 +1869,6 @@ out_put_budget: case BLK_STS_OK: break; case BLK_STS_RESOURCE: - case BLK_STS_ZONE_RESOURCE: if (scsi_device_blocked(sdev)) ret = BLK_STS_DEV_RESOURCE; break; @@ -1965,42 +1963,36 @@ static void scsi_map_queues(struct blk_mq_tag_set *set) blk_mq_map_queues(&set->map[HCTX_TYPE_DEFAULT]); } -void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q) +void scsi_init_limits(struct Scsi_Host *shost, struct queue_limits *lim) { struct device *dev = shost->dma_dev; - /* - * this limit is imposed by hardware restrictions - */ - blk_queue_max_segments(q, min_t(unsigned short, shost->sg_tablesize, - SG_MAX_SEGMENTS)); + memset(lim, 0, sizeof(*lim)); + lim->max_segments = + min_t(unsigned short, shost->sg_tablesize, SG_MAX_SEGMENTS); if (scsi_host_prot_dma(shost)) { shost->sg_prot_tablesize = min_not_zero(shost->sg_prot_tablesize, (unsigned short)SCSI_MAX_PROT_SG_SEGMENTS); BUG_ON(shost->sg_prot_tablesize < shost->sg_tablesize); - blk_queue_max_integrity_segments(q, shost->sg_prot_tablesize); + lim->max_integrity_segments = shost->sg_prot_tablesize; } - blk_queue_max_hw_sectors(q, shost->max_sectors); - blk_queue_segment_boundary(q, shost->dma_boundary); - dma_set_seg_boundary(dev, shost->dma_boundary); + lim->max_hw_sectors = shost->max_sectors; + lim->seg_boundary_mask = shost->dma_boundary; + lim->max_segment_size = shost->max_segment_size; + lim->virt_boundary_mask = shost->virt_boundary_mask; + lim->dma_alignment = max_t(unsigned int, + shost->dma_alignment, dma_get_cache_alignment() - 1); - blk_queue_max_segment_size(q, shost->max_segment_size); - blk_queue_virt_boundary(q, shost->virt_boundary_mask); - dma_set_max_seg_size(dev, queue_max_segment_size(q)); + if (shost->no_highmem) + lim->bounce = BLK_BOUNCE_HIGH; - /* - * Set a reasonable default alignment: The larger of 32-byte (dword), - * which is a common minimum for HBAs, and the minimum DMA alignment, - * which is set by the platform. - * - * Devices that require a bigger alignment can increase it later. - */ - blk_queue_dma_alignment(q, max(4, dma_get_cache_alignment()) - 1); + dma_set_seg_boundary(dev, shost->dma_boundary); + dma_set_max_seg_size(dev, shost->max_segment_size); } -EXPORT_SYMBOL_GPL(__scsi_init_queue); +EXPORT_SYMBOL_GPL(scsi_init_limits); static const struct blk_mq_ops scsi_mq_ops_no_commit = { .get_budget = scsi_mq_get_budget, |