Commit 63166b81 authored by hexue's avatar hexue Committed by Jens Axboe
Browse files

io_uring/uring_cmd: fix hybrid polling initialization issue 



Modify the check for whether the timer is initialized during IO transfer
when passthrough is used with hybrid polling, to ensure that it's always
setup correctly.

Cc: stable@vger.kernel.org
Fixes: 01ee194d ("io_uring: add support for hybrid IOPOLL")
Signed-off-by: default avatarhexue <xue01.he@samsung.com>
Link: https://lore.kernel.org/r/20250512052025.293031-1-xue01.he@samsung.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 92835ceb

io_uring/uring_cmd.c

+5 −0
Original line number Diff line number Diff line
@@ -254,6 +254,11 @@ int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags) 
			return -EOPNOTSUPP;

		issue_flags |= IO_URING_F_IOPOLL;

		req->iopoll_completed = 0;

		if (ctx->flags & IORING_SETUP_HYBRID_IOPOLL) {

			/* make sure every req only blocks once */

			req->flags &= ~REQ_F_IOPOLL_STATE;

			req->iopoll_start = ktime_get_ns();

		}

	}



	ret = file->f_op->uring_cmd(ioucmd, issue_flags);