On Thu, 11 Apr 2024 17:54:59 +0900, Damien Le Moal wrote:
> 3 patches to cleanup null_blk main code and improve zone device support.
> With the last 2 patches, some performance improvements (up to +1.7%) can
> be measured for a null zoned device with no zone resource limits. The
> maximum IOPS measured with zone write plugging with a multi-stream 4K
> sequential write workload (32 jobs) is:
>
> Before patches:
> - mq-deadline: 596 KIOPS
> - none: 2406 KIOPS
>
> [...]
Applied, thanks!
[1/3] null_blk: Have all null_handle_xxx() return a blk_status_t
commit: cb9e5273f6d97830c44aeecd28cf5f5723ef2ba3
[2/3] null_blk: Do zone resource management only if necessary
commit: 3bdde0701e5f819df0fa0e32fa8d5df7dc184cb5
[3/3] null_blk: Simplify null_zone_write()
commit: e994ff5b55e3bf30ecb6ed354eaec77c989aa4ae
Best regards,
--
Jens Axboe
