io_uring: add support for canceling timeout requests

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We might have cases where the need for a specific timeout is gone, add
support for canceling an existing timeout operation. This works like the
POLL_REMOVE command, where the application passes in the user_data of
the timeout it wishes to cancel in the sqe->addr field.

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

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Jens Axboe 2019-10-16 09:08:32 -06:00

parent a41525ab2e

commit 11365043e5

2 changed files with 92 additions and 18 deletions

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109

fs/io_uring.c

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1

include/uapi/linux/io_uring.h

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