nvme: wire up async polling for io passthrough commands

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Store a cookie during submission, and use that to implement
completion-polling inside the ->uring_cmd_iopoll handler.
This handler makes use of existing bio poll facility.

Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
Link: https://lore.kernel.org/r/20220823161443.49436-5-joshi.k@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Kanchan Joshi 2022-08-23 21:44:43 +05:30 • committed by Jens Axboe

parent c6e99ea482

commit 585079b6e4

4 changed files with 72 additions and 5 deletions

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1

drivers/nvme/host/core.c

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73

drivers/nvme/host/ioctl.c

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1

drivers/nvme/host/multipath.c

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2

drivers/nvme/host/nvme.h

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