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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: 01ee194d1a ("io_uring: add support for hybrid IOPOLL")
Signed-off-by: hexue <xue01.he@samsung.com>
Link: https://lore.kernel.org/r/20250512052025.293031-1-xue01.he@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
pull/1237/head
hexue 2025-05-12 13:20:25 +08:00 committed by Jens Axboe
parent 92835cebab
commit 63166b815d
1 changed files with 5 additions and 0 deletions
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5
io_uring/uring_cmd.c
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@ -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);