-#ifndef _LTT_WRAPPER_SPLICE_H
-#define _LTT_WRAPPER_SPLICE_H
-
-/*
- * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
+ * wrapper/splice.h
*
- * wrapper around vmalloc_sync_all. Using KALLSYMS to get its address when
+ * 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.
*
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
-#ifdef CONFIG_KALLSYMS
+#ifndef _LTTNG_WRAPPER_SPLICE_H
+#define _LTTNG_WRAPPER_SPLICE_H
-#include <linux/kallsyms.h>
#include <linux/splice.h>
-static inline
ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe,
- struct splice_pipe_desc *spd)
-{
- ssize_t (*splice_to_pipe_sym)(struct pipe_inode_info *pipe,
- struct splice_pipe_desc *spd);
-
- splice_to_pipe_sym = (void *) kallsyms_lookup_name("splice_to_pipe");
- if (splice_to_pipe_sym) {
- return splice_to_pipe_sym(pipe, spd);
- } else {
- printk(KERN_WARNING "LTTng: splice_to_pipe symbol lookup failed.\n");
- return -ENOSYS;
- }
-}
-#else
+ struct splice_pipe_desc *spd);
-#include <linux/splice.h>
-
-static inline
-ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe,
- struct splice_pipe_desc *spd)
-{
- return splice_to_pipe(pipe, spd);
-}
+#ifndef PIPE_DEF_BUFFERS
+#define PIPE_DEF_BUFFERS 16
#endif
-#endif /* _LTT_WRAPPER_SPLICE_H */
+#endif /* _LTTNG_WRAPPER_SPLICE_H */