Messages in this thread | | | Subject | Re: [PATCH 0/2] null_blk: zone support | From | Matias Bjørling <> | Date | Mon, 9 Jul 2018 09:54:57 +0200 |
| |
On 07/06/2018 07:45 PM, Laurence Oberman wrote: > On Fri, 2018-07-06 at 19:38 +0200, Matias Bjørling wrote: >> This series adds support for exposing a zone block device using the >> null_blk device driver. >> >> The first patch moves core null_blk data structures to a shared >> header >> file. The second implements the actual zone support. The patchset >> adds >> two new options. One to enable the zone interface, and another to >> define the size of the zones to expose. >> >> Thanks, >> Matias >> >> Matias Bjørling (2): >> null_blk: move shared definitions to header file >> null_blk: add zone support >> >> Documentation/block/null_blk.txt | 7 ++ >> drivers/block/Makefile | 5 +- >> drivers/block/null_blk.c | 124 ++++++++++++----------------- >> --- >> drivers/block/null_blk.h | 108 ++++++++++++++++++++++++++++ >> drivers/block/null_blk_zoned.c | 149 >> +++++++++++++++++++++++++++++++++++++++ >> 5 files changed, 315 insertions(+), 78 deletions(-) >> create mode 100644 drivers/block/null_blk.h >> create mode 100644 drivers/block/null_blk_zoned.c >> > > Thank you for this will be very useful. > I will test it to add value. > I dont know the code well enough to review it > Regards > Laurence >
Great.
For fio, you can use the zone support here:
https://github.com/bvanassche/fio
It is in the process of being upstreamed.
Also, you'll need the latest libzbc/util-linux (blkzone) if you want to report zones. A bug was fixed around detection of the drive.
https://github.com/hgst/libzbc https://github.com/karelzak/util-linux
| |