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liburing: add io_uring_iocb_from_ev() helper

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Returns the iocb associated with a completion event.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2019-01-08 15:16:55 -07:00
parent 6a44c6e0f7
commit f47f24cea7
1 changed files with 6 additions and 0 deletions
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6
src/liburing.h
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@@ -56,4 +56,10 @@ extern int io_uring_wait_completion(int fd, struct io_uring_cq *cq,
extern int io_uring_submit(int fd, struct io_uring_sq *sq); extern int io_uring_submit(int fd, struct io_uring_sq *sq);
extern struct io_uring_iocb *io_uring_get_iocb(struct io_uring_sq *sq); extern struct io_uring_iocb *io_uring_get_iocb(struct io_uring_sq *sq);
static inline struct io_uring_iocb *
io_uring_iocb_from_ev(struct io_uring_sq *sq, struct io_uring_event *ev)
{
return &sq->iocbs[ev->index];
}
#endif #endif