Use the newly exported splice_to_pipe symbol. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> --- drivers/staging/lttng/lib/Makefile | 3 +- .../lttng/lib/ringbuffer/ring_buffer_splice.c | 3 +- drivers/staging/lttng/wrapper/splice.c | 46 -------------------- drivers/staging/lttng/wrapper/splice.h | 23 ---------- 4 files changed, 2 insertions(+), 73 deletions(-) delete mode 100644 drivers/staging/lttng/wrapper/splice.c delete mode 100644 drivers/staging/lttng/wrapper/splice.h diff --git a/drivers/staging/lttng/lib/Makefile b/drivers/staging/lttng/lib/Makefile index e5735ec..9fa49ef 100644 --- a/drivers/staging/lttng/lib/Makefile +++ b/drivers/staging/lttng/lib/Makefile @@ -7,5 +7,4 @@ lib-ring-buffer-objs := \ ringbuffer/ring_buffer_vfs.o \ ringbuffer/ring_buffer_splice.o \ ringbuffer/ring_buffer_mmap.o \ - prio_heap/lttng_prio_heap.o \ - ../wrapper/splice.o + prio_heap/lttng_prio_heap.o diff --git a/drivers/staging/lttng/lib/ringbuffer/ring_buffer_splice.c b/drivers/staging/lttng/lib/ringbuffer/ring_buffer_splice.c index ded18ba..fc89901 100644 --- a/drivers/staging/lttng/lib/ringbuffer/ring_buffer_splice.c +++ b/drivers/staging/lttng/lib/ringbuffer/ring_buffer_splice.c @@ -13,7 +13,6 @@ #include <linux/module.h> #include <linux/fs.h> -#include "../../wrapper/splice.h" #include "../../wrapper/ringbuffer/backend.h" #include "../../wrapper/ringbuffer/frontend.h" #include "../../wrapper/ringbuffer/vfs.h" @@ -142,7 +141,7 @@ static int subbuf_splice_actor(struct file *in, if (!spd.nr_pages) return 0; - return wrapper_splice_to_pipe(pipe, &spd); + return splice_to_pipe(pipe, &spd); } ssize_t lib_ring_buffer_splice_read(struct file *in, loff_t *ppos, diff --git a/drivers/staging/lttng/wrapper/splice.c b/drivers/staging/lttng/wrapper/splice.c deleted file mode 100644 index ba224ee..0000000 --- a/drivers/staging/lttng/wrapper/splice.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@xxxxxxxxxxxx) - * - * wrapper around vmalloc_sync_all. 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. - */ - -#ifdef CONFIG_KALLSYMS - -#include <linux/kallsyms.h> -#include <linux/fs.h> -#include <linux/splice.h> -#include "kallsyms.h" - -static -ssize_t (*splice_to_pipe_sym)(struct pipe_inode_info *pipe, - struct splice_pipe_desc *spd); - -ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe, - struct splice_pipe_desc *spd) -{ - if (!splice_to_pipe_sym) - splice_to_pipe_sym = (void *) kallsyms_lookup_funcptr("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 - -#include <linux/fs.h> -#include <linux/splice.h> - -ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe, - struct splice_pipe_desc *spd) -{ - return splice_to_pipe(pipe, spd); -} - -#endif diff --git a/drivers/staging/lttng/wrapper/splice.h b/drivers/staging/lttng/wrapper/splice.h deleted file mode 100644 index f75309a..0000000 --- a/drivers/staging/lttng/wrapper/splice.h +++ /dev/null @@ -1,23 +0,0 @@ -#ifndef _LTT_WRAPPER_SPLICE_H -#define _LTT_WRAPPER_SPLICE_H - -/* - * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@xxxxxxxxxxxx) - * - * wrapper around vmalloc_sync_all. 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. - */ - -#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 /* _LTT_WRAPPER_SPLICE_H */ -- 1.7.5.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel