[RFC for-next 4/4] io_uring/rw: enable bio caches for IRQ rw

Pavel Begunkov
2022-10-18T18:49:09Z

Now we can use IOCB_ALLOC_CACHE not only for iopoll'ed reads/write but
also for normal IRQ driven I/O.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
io_uring/rw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/io_uring/rw.c b/io_uring/rw.c
index 100de2626e47..ff609b762742 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -667,6 +667,7 @@ static int io_rw_init_file(struct io_kiocb *req, fmode_t mode)
ret = kiocb_set_rw_flags(kiocb, rw->flags);
if (unlikely(ret))
return ret;
+ kiocb->ki_flags |= IOCB_ALLOC_CACHE;

/*
* If the file is marked O_NONBLOCK, still allow retry for it if it
@@ -682,7 +683,7 @@ static int io_rw_init_file(struct io_kiocb *req, fmode_t mode)
return -EOPNOTSUPP;

kiocb->private = NULL;
- kiocb->ki_flags |= IOCB_HIPRI | IOCB_ALLOC_CACHE;
+ kiocb->ki_flags |= IOCB_HIPRI;
kiocb->ki_complete = io_complete_rw_iopoll;
req->iopoll_completed = 0;
} else {
--
2.38.0