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| author | Keith Busch <[email protected]> | 2023-03-31 11:00:56 -0700 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2023-04-04 16:11:47 -0600 |
| commit | 38a8c4d1d45006841f0643f4cb29b5e50758837c (patch) | |
| tree | 05cfa4ff5174c7d5297aadbe11699f8266778deb /tools/testing/selftests/bpf/prog_tests | |
| parent | 24ab70d83784a807c9ddff939ea762ef19bd4ffd (diff) | |
blk-mq: directly poll requests
Polling needs a bio with a valid bi_bdev, but neither of those are
guaranteed for polled driver requests. Make request based polling
directly use blk-mq's polling function instead.
When executing a request from a polled hctx, we know the request's
cookie, and that it's from a live blk-mq queue that supports polling, so
we can safely skip everything that bio_poll provides.
Cc: [email protected]
Reported-by: Martin Belanger <[email protected]>
Reported-by: Daniel Wagner <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Tested-by: Daniel Wagner <[email protected]>
Revieded-by: Daniel Wagner <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Tested-by: Shin'ichiro Kawasaki <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests')
0 files changed, 0 insertions, 0 deletions