diff options
Diffstat (limited to 'drivers/block/null_blk_main.c')
| -rw-r--r-- | drivers/block/null_blk_main.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index 55d2ef92be47..4685ea401d5b 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -212,6 +212,14 @@ static unsigned int g_zone_nr_conv; module_param_named(zone_nr_conv, g_zone_nr_conv, uint, 0444); MODULE_PARM_DESC(zone_nr_conv, "Number of conventional zones when block device is zoned. Default: 0"); +static unsigned int g_zone_max_open; +module_param_named(zone_max_open, g_zone_max_open, uint, 0444); +MODULE_PARM_DESC(zone_max_open, "Maximum number of open zones when block device is zoned. Default: 0 (no limit)"); + +static unsigned int g_zone_max_active; +module_param_named(zone_max_active, g_zone_max_active, uint, 0444); +MODULE_PARM_DESC(zone_max_active, "Maximum number of active zones when block device is zoned. Default: 0 (no limit)"); + static struct nullb_device *null_alloc_dev(void); static void null_free_dev(struct nullb_device *dev); static void null_del_dev(struct nullb *nullb); @@ -351,6 +359,8 @@ NULLB_DEVICE_ATTR(zoned, bool, NULL); NULLB_DEVICE_ATTR(zone_size, ulong, NULL); NULLB_DEVICE_ATTR(zone_capacity, ulong, NULL); NULLB_DEVICE_ATTR(zone_nr_conv, uint, NULL); +NULLB_DEVICE_ATTR(zone_max_open, uint, NULL); +NULLB_DEVICE_ATTR(zone_max_active, uint, NULL); static ssize_t nullb_device_power_show(struct config_item *item, char *page) { @@ -468,6 +478,8 @@ static struct configfs_attribute *nullb_device_attrs[] = { &nullb_device_attr_zone_size, &nullb_device_attr_zone_capacity, &nullb_device_attr_zone_nr_conv, + &nullb_device_attr_zone_max_open, + &nullb_device_attr_zone_max_active, NULL, }; @@ -521,7 +533,7 @@ nullb_group_drop_item(struct config_group *group, struct config_item *item) static ssize_t memb_group_features_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, - "memory_backed,discard,bandwidth,cache,badblocks,zoned,zone_size,zone_capacity,zone_nr_conv\n"); + "memory_backed,discard,bandwidth,cache,badblocks,zoned,zone_size,zone_capacity,zone_nr_conv,zone_max_open,zone_max_active\n"); } CONFIGFS_ATTR_RO(memb_group_, features); @@ -584,6 +596,8 @@ static struct nullb_device *null_alloc_dev(void) dev->zone_size = g_zone_size; dev->zone_capacity = g_zone_capacity; dev->zone_nr_conv = g_zone_nr_conv; + dev->zone_max_open = g_zone_max_open; + dev->zone_max_active = g_zone_max_active; return dev; } |