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mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-01-13 10:05:39 +00:00
Jens Axboe af19388a97 io_uring: add struct io_cold_def->sqe_copy() method
Will be called by the core of io_uring, if inline issue is not going
to be tried for a request. Opcodes can define this handler to defer
copying of SQE data that should remain stable.

Only called if IO_URING_F_INLINE is set. If it isn't set, then there's a
bug in the core handling of this, and -EFAULT will be returned instead
to terminate the request. This will trigger a WARN_ON_ONCE(). Don't
expect this to ever trigger, and down the line this can be removed.

Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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