Commit 25e72d10 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: do build_open_how() only once 



build_open_how() is just adjusting open_flags/mode. Do it once during
prep. It looks better than storing raw values for the future.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3232dd02

fs/io_uring.c

+7 −6
Original line number Diff line number Diff line
@@ -2993,6 +2993,7 @@ static int io_fallocate(struct io_kiocb *req, bool force_nonblock) 
static int io_openat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)

{

	const char __user *fname;

	u64 flags, mode;

	int ret;



	if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL|IORING_SETUP_SQPOLL)))
@@ -3004,13 +3005,14 @@ static int io_openat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
	if (req->flags & REQ_F_NEED_CLEANUP)

		return 0;



	req->open.dfd = READ_ONCE(sqe->fd);

	req->open.how.mode = READ_ONCE(sqe->len);

	fname = u64_to_user_ptr(READ_ONCE(sqe->addr));

	req->open.how.flags = READ_ONCE(sqe->open_flags);

	mode = READ_ONCE(sqe->len);

	flags = READ_ONCE(sqe->open_flags);

	if (force_o_largefile())

		req->open.how.flags |= O_LARGEFILE;

		flags |= O_LARGEFILE;

	req->open.how = build_open_how(flags, mode);



	req->open.dfd = READ_ONCE(sqe->fd);

	fname = u64_to_user_ptr(READ_ONCE(sqe->addr));

	req->open.filename = getname(fname);

	if (IS_ERR(req->open.filename)) {

		ret = PTR_ERR(req->open.filename);
@@ -3104,7 +3106,6 @@ err: 


static int io_openat(struct io_kiocb *req, bool force_nonblock)

{

	req->open.how = build_open_how(req->open.how.flags, req->open.how.mode);

	return io_openat2(req, force_nonblock);

}

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