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From: Jens Axboe <axboe@kernel.dk>
To: io-uring@vger.kernel.org
Cc: jlayton@kernel.org, josh@joshtriplett.org, Jens Axboe <axboe@kernel.dk>
Subject: [PATCH 2/6] io_uring: move CLOSE req->file checking into handler
Date: Wed,  4 Mar 2020 11:00:12 -0700	[thread overview]
Message-ID: <20200304180016.28212-3-axboe@kernel.dk> (raw)
In-Reply-To: <20200304180016.28212-1-axboe@kernel.dk>

In preparation for not needing req->file in on the prep side at all.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/io_uring.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 0fcd6968cf0f..c29a721114e0 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3367,10 +3367,8 @@ static int io_close_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 		return -EBADF;
 
 	req->close.fd = READ_ONCE(sqe->fd);
-	if (req->file->f_op == &io_uring_fops ||
-	    req->close.fd == req->ctx->ring_fd)
+	if (req->close.fd == req->ctx->ring_fd)
 		return -EBADF;
-
 	return 0;
 }
 
@@ -3400,6 +3398,9 @@ static int io_close(struct io_kiocb *req, bool force_nonblock)
 {
 	int ret;
 
+	if (req->file->f_op == &io_uring_fops)
+		return -EBADF;
+
 	req->close.put_file = NULL;
 	ret = __close_fd_get_file(req->close.fd, &req->close.put_file);
 	if (ret < 0)
-- 
2.25.1


  parent reply	other threads:[~2020-03-04 18:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-04 18:00 [PATCHSET v2 0/6] Support selectable file descriptors Jens Axboe
2020-03-04 18:00 ` [PATCH 1/6] fs: openat2: Extend open_how to allow userspace-selected fds Jens Axboe
2020-03-04 18:00 ` Jens Axboe [this message]
2020-03-04 18:00 ` [PATCH 3/6] io_uring: move read/write side file based prep into op handler Jens Axboe
2020-03-04 18:00 ` [PATCH 4/6] io_uring: support deferred retrival of file from fd Jens Axboe
2020-03-04 18:00 ` [PATCH 5/6] net: allow specific fd selection for __sys_accept4_file() Jens Axboe
2020-03-04 18:00 ` [PATCH 6/6] io_uring: allow specific fd for IORING_OP_ACCEPT Jens Axboe
2020-03-04 19:02   ` Josh Triplett
2020-03-04 19:09     ` Jens Axboe
2020-03-04 19:51       ` Josh Triplett
2020-03-04 19:03 ` [PATCHSET v2 0/6] Support selectable file descriptors Josh Triplett
2020-03-04 19:10   ` Jens Axboe
2020-03-04 19:28     ` Jeff Layton
2020-03-04 19:50       ` Jens Axboe
2020-03-04 19:56     ` Josh Triplett
2020-03-04 20:00       ` Jens Axboe
2020-03-04 20:09         ` Josh Triplett
2020-03-04 20:14           ` Jens Axboe
2020-03-09 20:33 ` Stefan Metzmacher

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