* SPLICE_F_MOVE isn't set, or we cannot move the page, we simply create
* a new page in the output file page cache and fill/dirty that.
*/
-int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
+static int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
struct splice_desc *sd)
{
struct file *file = sd->u.file;
out:
return ret;
}
-EXPORT_SYMBOL(pipe_to_file);
static void wakeup_pipe_writers(struct pipe_inode_info *pipe)
{
* locking is required around copying the pipe buffers to the
* destination.
*/
-int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_desc *sd,
+static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_desc *sd,
splice_actor *actor)
{
int ret;
return 1;
}
-EXPORT_SYMBOL(splice_from_pipe_feed);
/**
* splice_from_pipe_next - wait for some data to splice from
* value (one) if pipe buffers are available. It will return zero
* or -errno if no more data needs to be spliced.
*/
-int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd)
+static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd)
{
while (!pipe->nrbufs) {
if (!pipe->writers)
return 1;
}
-EXPORT_SYMBOL(splice_from_pipe_next);
/**
* splice_from_pipe_begin - start splicing from pipe
* splice_from_pipe_next() and splice_from_pipe_feed() to
* initialize the necessary fields of @sd.
*/
-void splice_from_pipe_begin(struct splice_desc *sd)
+static void splice_from_pipe_begin(struct splice_desc *sd)
{
sd->num_spliced = 0;
sd->need_wakeup = false;
}
-EXPORT_SYMBOL(splice_from_pipe_begin);
/**
* splice_from_pipe_end - finish splicing from pipe
* be called after a loop containing splice_from_pipe_next() and
* splice_from_pipe_feed().
*/
-void splice_from_pipe_end(struct pipe_inode_info *pipe, struct splice_desc *sd)
+static void splice_from_pipe_end(struct pipe_inode_info *pipe, struct splice_desc *sd)
{
if (sd->need_wakeup)
wakeup_pipe_writers(pipe);
}
-EXPORT_SYMBOL(splice_from_pipe_end);
/**
* __splice_from_pipe - splice data from a pipe to given actor
splice_actor *);
extern ssize_t __splice_from_pipe(struct pipe_inode_info *,
struct splice_desc *, splice_actor *);
-extern int splice_from_pipe_feed(struct pipe_inode_info *, struct splice_desc *,
- splice_actor *);
-extern int splice_from_pipe_next(struct pipe_inode_info *,
- struct splice_desc *);
-extern void splice_from_pipe_begin(struct splice_desc *);
-extern void splice_from_pipe_end(struct pipe_inode_info *,
- struct splice_desc *);
-extern int pipe_to_file(struct pipe_inode_info *, struct pipe_buffer *,
- struct splice_desc *);
-
extern ssize_t splice_to_pipe(struct pipe_inode_info *,
struct splice_pipe_desc *);
extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,