>>>>> "Damien" == Damien Le Moal <damien.lemoal@xxxxxxxx> writes: Damien> Add the zoned queue limit to indicate the zoning model of a Damien> block device. Defined values are 0 (BLK_ZONED_NONE) for regular Damien> block devices, 1 (BLK_ZONED_HA) for host-aware zone block Damien> devices and 2 (BLK_ZONED_HM) for host-managed zone block Damien> devices. The standards defined drive managed model is not Damien> defined here since these block devices do not provide any Damien> command for accessing zone information. Drive managed model Damien> devices will be reported as BLK_ZONED_NONE. Damien> The helper functions blk_queue_zoned_model and bdev_zoned_model Damien> return the zoned limit and the functions blk_queue_is_zoned and Damien> bdev_is_zoned return a boolean for callers to test if a block Damien> device is zoned. Damien> The zoned attribute is also exported as a string to applications Damien> via sysfs. BLK_ZONED_NONE shows as "none", BLK_ZONED_HA as Damien> "host-aware" and BLK_ZONED_HM as "host-managed". Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
