Export __splice_from_pipe()
Ocfs2 wants to implement it's own splice write actor so that it can better
manage cluster / page locks. This lets us re-use the rest of splice write
while only providing our own code where it's actually important.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/splice.c b/fs/splice.c
index ae50208..07f6556 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -651,9 +651,9 @@
* key here is the 'actor' worker passed in that actually moves the data
* to the wanted destination. See pipe_to_file/pipe_to_sendpage above.
*/
-static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
- struct file *out, loff_t *ppos, size_t len,
- unsigned int flags, splice_actor *actor)
+ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
+ struct file *out, loff_t *ppos, size_t len,
+ unsigned int flags, splice_actor *actor)
{
int ret, do_wakeup, err;
struct splice_desc sd;
@@ -747,6 +747,7 @@
return ret;
}
+EXPORT_SYMBOL(__splice_from_pipe);
ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out,
loff_t *ppos, size_t len, unsigned int flags,
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 2e19478..8bcbc54 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -99,4 +99,8 @@
loff_t *, size_t, unsigned int,
splice_actor *);
+extern ssize_t __splice_from_pipe(struct pipe_inode_info *, struct file *,
+ loff_t *, size_t, unsigned int,
+ splice_actor *);
+
#endif