diff options
Diffstat (limited to 'drivers/scsi/scsi_debug.c')
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index b8a76b89f85a..a0797101a8a0 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -1899,6 +1899,13 @@ static int resp_readcap16(struct scsi_cmnd *scp, arr[14] |= 0x40; } + /* + * Since the scsi_debug READ CAPACITY implementation always reports the + * total disk capacity, set RC BASIS = 1 for host-managed ZBC devices. + */ + if (devip->zmodel == BLK_ZONED_HM) + arr[12] |= 1 << 4; + arr[15] = sdebug_lowest_aligned & 0xff; if (have_dif_prot) { @@ -5695,16 +5702,16 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, u64 ns = jiffies_to_nsecs(delta_jiff); if (sdebug_random && ns < U32_MAX) { - ns = prandom_u32_max((u32)ns); + ns = get_random_u32_below((u32)ns); } else if (sdebug_random) { ns >>= 12; /* scale to 4 usec precision */ if (ns < U32_MAX) /* over 4 hours max */ - ns = prandom_u32_max((u32)ns); + ns = get_random_u32_below((u32)ns); ns <<= 12; } kt = ns_to_ktime(ns); } else { /* ndelay has a 4.2 second max */ - kt = sdebug_random ? prandom_u32_max((u32)ndelay) : + kt = sdebug_random ? get_random_u32_below((u32)ndelay) : (u32)ndelay; if (ndelay < INCLUSIVE_TIMING_MAX_NS) { u64 d = ktime_get_boottime_ns() - ns_from_boot; @@ -7316,8 +7323,12 @@ static int sdebug_add_host_helper(int per_host_idx) dev_set_name(&sdbg_host->dev, "adapter%d", sdebug_num_hosts); error = device_register(&sdbg_host->dev); - if (error) + if (error) { + spin_lock(&sdebug_host_list_lock); + list_del(&sdbg_host->host_list); + spin_unlock(&sdebug_host_list_lock); goto clean; + } ++sdebug_num_hosts; return 0; @@ -7474,12 +7485,12 @@ static int resp_not_ready(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) return check_condition_result; } -static int sdebug_map_queues(struct Scsi_Host *shost) +static void sdebug_map_queues(struct Scsi_Host *shost) { int i, qoff; if (shost->nr_hw_queues == 1) - return 0; + return; for (i = 0, qoff = 0; i < HCTX_MAX_TYPES; i++) { struct blk_mq_queue_map *map = &shost->tag_set.map[i]; @@ -7501,9 +7512,6 @@ static int sdebug_map_queues(struct Scsi_Host *shost) qoff += map->nr_queues; } - - return 0; - } static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) |