[lttng-modules.git] / wrapper / splice.h

/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
 *
 * wrapper/splice.h
 *
 * wrapper around splice_to_pipe. Using KALLSYMS to get its address when
 * available, else we need to have a kernel that exports this function to GPL
 * modules.
 *
 * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#ifndef _LTTNG_WRAPPER_SPLICE_H
#define _LTTNG_WRAPPER_SPLICE_H

#include <linux/splice.h>

ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe,
			       struct splice_pipe_desc *spd);

#ifndef PIPE_DEF_BUFFERS
#define PIPE_DEF_BUFFERS 16
#endif

#endif /* _LTTNG_WRAPPER_SPLICE_H */
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
9f36eaed	2	*
886d51a3	3	* wrapper/splice.h
90225db5	4	*
00525d30	5	* wrapper around splice_to_pipe. Using KALLSYMS to get its address when
90225db5 MD	6	* available, else we need to have a kernel that exports this function to GPL
	7	* modules.
	8	*
886d51a3	9	* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
90225db5 MD	10	*/
90225db5 MD	11
9f36eaed MJ	12	#ifndef _LTTNG_WRAPPER_SPLICE_H
	13	#define _LTTNG_WRAPPER_SPLICE_H
	14
90225db5 MD	15	#include <linux/splice.h>
90225db5 MD	16
90225db5	17	ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe,
5dd620fa	18	struct splice_pipe_desc *spd);
90225db5	19
45750163 MD	20	#ifndef PIPE_DEF_BUFFERS
	21	#define PIPE_DEF_BUFFERS 16
	22	#endif
	23
a90917c3	24	#endif /* _LTTNG_WRAPPER_SPLICE_H */