kernel/0002-vfs-export-do_splice_direct-to-modules.patch

61 lines
1.9 KiB
Diff

From bbe04b17053d192844389840b6b981cd98417517 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Thu, 27 Jun 2013 16:39:49 +0200
Subject: [PATCH 2/9] vfs: export do_splice_direct() to modules
Export do_splice_direct() to modules. Needed by overlay filesystem.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
fs/internal.h | 6 ------
fs/splice.c | 1 +
include/linux/fs.h | 3 +++
3 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/fs/internal.h b/fs/internal.h
index 6812158..eaa75f7 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -132,12 +132,6 @@ extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);
extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *);
/*
- * splice.c
- */
-extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
- loff_t *opos, size_t len, unsigned int flags);
-
-/*
* pipe.c
*/
extern const struct file_operations pipefifo_fops;
diff --git a/fs/splice.c b/fs/splice.c
index 9eca476..8d415fc 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1312,6 +1312,7 @@ long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
return ret;
}
+EXPORT_SYMBOL(do_splice_direct);
static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe,
struct pipe_inode_info *opipe,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0a87abc..80690b3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2416,6 +2416,9 @@ extern ssize_t generic_file_splice_write(struct pipe_inode_info *,
struct file *, loff_t *, size_t, unsigned int);
extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe,
struct file *out, loff_t *, size_t len, unsigned int flags);
+extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
+ loff_t *opos, size_t len, unsigned int flags);
+
extern void
file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping);
--
1.8.3.2