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Series |
ublk: enable zoned storage support
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Message
Andreas Hindborg
Aug. 4, 2023, 11:46 a.m. UTC
From: Andreas Hindborg <a.hindborg@samsung.com>
Hi All,
This patch set adds zoned storage support to `ublk`. The first two patches do
some house cleaning in preparation for the last patch. The last patch adds
support for report_zones and the following operations:
- REQ_OP_ZONE_OPEN
- REQ_OP_ZONE_CLOSE
- REQ_OP_ZONE_FINISH
- REQ_OP_ZONE_RESET
- REQ_OP_ZONE_APPEND
A user space component based on ubdsrv is available for testing [1] with the
"loop" target.
Read/write and zone operations are tested with zenfs [2].
The zone append path is tested with fio -> zonefs -> ublk -> null_blk.
The series is based on v6.5-rc4.
Changes for v11
- Style fixes
- Use `kvmalloc()` instead of `__vmalloc()` for zone report buffer
[1] https://github.com/metaspace/ubdsrv/tree/2966e5f9637b5856d4a4273ae113e31b1c53ff98
[2] https://github.com/westerndigitalcorporation/zenfs
[3] https://git.kernel.dk/linux.git
Andreas Hindborg (3):
ublk: add helper to check if device supports user copy
ublk: move check for empty address field on command submission
ublk: enable zoned storage support
drivers/block/ublk_drv.c | 348 ++++++++++++++++++++++++++++++++--
include/uapi/linux/ublk_cmd.h | 63 +++++-
2 files changed, 383 insertions(+), 28 deletions(-)
base-commit: 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4
Comments
On Fri, 04 Aug 2023 13:46:07 +0200, Andreas Hindborg (Samsung) wrote: > This patch set adds zoned storage support to `ublk`. The first two patches do > some house cleaning in preparation for the last patch. The last patch adds > support for report_zones and the following operations: > > - REQ_OP_ZONE_OPEN > - REQ_OP_ZONE_CLOSE > - REQ_OP_ZONE_FINISH > - REQ_OP_ZONE_RESET > - REQ_OP_ZONE_APPEND > > [...] Applied, thanks! [1/3] ublk: add helper to check if device supports user copy commit: 9d4ed6d46272bb60036a6539aae74eafcbbb3d2d [2/3] ublk: move check for empty address field on command submission commit: 1a6e88b9593b63ccdfe1d84e3f99dd91e4f8d490 [3/3] ublk: enable zoned storage support commit: 29802d7ca33bc0a75c9da2a143eeed4f9e99fca4 Best regards,