io_uring/cancel: add IORING_ASYNC_CANCEL_USERDATA

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Add a flag to explicitly match on user_data in the request for
cancelation purposes. This is the default behavior if none of the
other match flags are set, but if we ALSO want to match on user_data,
then this flag can be set.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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This commit is contained in:

Jens Axboe 2023-06-23 10:33:11 -06:00

parent a30badf66d

commit 8165b56604

2 changed files with 14 additions and 6 deletions

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2

include/uapi/linux/io_uring.h

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18

io_uring/cancel.c

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