linux-kernel - [RFC Aufs2 #2 26/28] export splice functions

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Message-Id: <1237188040-11404-27-git-send-email-hooanon05@yahoo.co.jp>
Date:	Mon, 16 Mar 2009 16:20:38 +0900
From:	"J. R. Okajima" <hooanon05@...oo.co.jp>
To:	linux-kernel@...r.kernel.org
Cc:	linux-fsdevel@...r.kernel.org,
	"J. R. Okajima" <hooanon05@...oo.co.jp>
Subject: [RFC Aufs2 #2 26/28] export splice functions

export splice functions to aufs module and others

Signed-off-by: J. R. Okajima <hooanon05@...oo.co.jp>
---
 fs/splice.c            |   10 +++++-----
 include/linux/splice.h |    6 ++++++
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/fs/splice.c b/fs/splice.c
index 4ed0ba4..2fb3d17 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -888,8 +888,8 @@ EXPORT_SYMBOL(generic_splice_sendpage);
 /*
  * Attempt to initiate a splice from pipe to file.
  */
-static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
-			   loff_t *ppos, size_t len, unsigned int flags)
+long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+		    loff_t *ppos, size_t len, unsigned int flags)
 {
 	int ret;
 
@@ -912,9 +912,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
 /*
  * Attempt to initiate a splice from a file to a pipe.
  */
-static long do_splice_to(struct file *in, loff_t *ppos,
-			 struct pipe_inode_info *pipe, size_t len,
-			 unsigned int flags)
+long do_splice_to(struct file *in, loff_t *ppos,
+		  struct pipe_inode_info *pipe, size_t len,
+		  unsigned int flags)
 {
 	int ret;
 
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 528dcb9..5123bc6 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -71,4 +71,10 @@ extern ssize_t splice_to_pipe(struct pipe_inode_info *,
 extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
 				      splice_direct_actor *);
 
+extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+			   loff_t *ppos, size_t len, unsigned int flags);
+extern long do_splice_to(struct file *in, loff_t *ppos,
+			 struct pipe_inode_info *pipe, size_t len,
+			 unsigned int flags);
+
 #endif
-- 
1.6.1.284.g5dc13

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