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io_uring: separate header for exported net bits

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We're exporting some io_uring bits to networking, e.g. for implementing
a net callback for io_uring cmds, but we don't want to expose more than
needed. Add a separate header for networking.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: David Wei <dw@davidwei.uk>
Link: https://lore.kernel.org/r/20240409210554.1878789-1-dw@davidwei.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2024-04-09 14:05:53 -07:00 committed by Jens Axboe
parent d285da7dbd
commit 8c9a6f549e
4 changed files with 20 additions and 7 deletions
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6
include/linux/io_uring.h
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@ -11,7 +11,6 @@ void __io_uring_cancel(bool cancel_all);
void __io_uring_free(struct task_struct *tsk);
void io_uring_unreg_ringfd(void);
const char *io_uring_get_opcode(u8 opcode);
int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags);
bool io_is_uring_fops(struct file *file);
static inline void io_uring_files_cancel(void)
@ -45,11 +44,6 @@ static inline const char *io_uring_get_opcode(u8 opcode)
{
return "";
}
static inline int io_uring_cmd_sock(struct io_uring_cmd *cmd,
unsigned int issue_flags)
{
return -EOPNOTSUPP;
}
static inline bool io_is_uring_fops(struct file *file)
{
return false;

18
include/linux/io_uring/net.h Normal file
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@ -0,0 +1,18 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _LINUX_IO_URING_NET_H
#define _LINUX_IO_URING_NET_H
struct io_uring_cmd;
#if defined(CONFIG_IO_URING)
int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags);
#else
static inline int io_uring_cmd_sock(struct io_uring_cmd *cmd,
unsigned int issue_flags)
{
return -EOPNOTSUPP;
}
#endif
#endif

1
io_uring/uring_cmd.c
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@ -3,6 +3,7 @@
#include <linux/errno.h>
#include <linux/file.h>
#include <linux/io_uring/cmd.h>
#include <linux/io_uring/net.h>
#include <linux/security.h>
#include <linux/nospec.h>
#include <net/sock.h>

2
net/socket.c
View File

@ -88,7 +88,7 @@
#include <linux/xattr.h>
#include <linux/nospec.h>
#include <linux/indirect_call_wrapper.h>
#include <linux/io_uring.h>
#include <linux/io_uring/net.h>
#include <linux/uaccess.h>
#include <asm/unistd.h>