vfs: export do_splice_direct() to modules

Export do_splice_direct() to modules. Needed by overlay filesystem. Signed-off-by: Miklos Szeredi <[email protected]>
cbmeeks · Oct 23, 2014 · 1c11859 · 1c11859
1 parent 4aa7c63
commit 1c11859
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Showing 3 changed files with 4 additions and 6 deletions.
diff --git a/fs/internal.h b/fs/internal.h
@@ -138,12 +138,6 @@ extern long prune_dcache_sb(struct super_block *sb, unsigned long nr_to_scan,
  */
 extern int rw_verify_area(int, struct file *, const loff_t *, size_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
  */

diff --git a/fs/splice.c b/fs/splice.c
@@ -1330,6 +1330,7 @@ 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
@@ -2456,6 +2456,9 @@ extern ssize_t iter_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);