From: Changli Gao <xiaosuo@gmail.com>
Date: Tue, 29 Jun 2010 11:09:18 +0000 (+0200)
Subject: splice: direct_splice_actor() should not use pos in sd
X-Git-Tag: v2.6.32.47~68
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b81cbf898c9f6983216bfd44ba5553c9ecd76b7d;p=thirdparty%2Fkernel%2Fstable.git

splice: direct_splice_actor() should not use pos in sd

commit 2cb4b05e7647891b46b91c07c9a60304803d1688 upstream.

direct_splice_actor() shouldn't use sd->pos, as sd->pos is for file reading,
file->f_pos should be used instead.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/fs/splice.c b/fs/splice.c
index 773793368a791..bb92b7c5cdcb1 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1221,7 +1221,8 @@ static int direct_splice_actor(struct pipe_inode_info *pipe,
 {
 	struct file *file = sd->u.file;
 
-	return do_splice_from(pipe, file, &sd->pos, sd->total_len, sd->flags);
+	return do_splice_from(pipe, file, &file->f_pos, sd->total_len,
+			      sd->flags);
 }
 
 /**