thread_with_file: create ops structure for thread_with_stdio

Create an ops structure so we can add more file-based functionality in
the next few patches.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 6 insertions, 10 deletions

diff --git a/lib/thread_with_file.c b/lib/thread_with_file.c
index 70a805ef017f..2edf33c3e7dc 100644
--- a/lib/thread_with_file.c
+++ b/lib/thread_with_file.c
@@ -359,7 +359,7 @@ static int thread_with_stdio_release(struct inode *inode, struct file *file)
 	thread_with_file_exit(&thr->thr);
 	darray_exit(&thr->stdio.input.buf);
 	darray_exit(&thr->stdio.output.buf);
-	thr->exit(thr);
+	thr->ops->exit(thr);
 	return 0;
 }
 
@@ -398,33 +398,29 @@ static int thread_with_stdio_fn(void *arg)
 {
 	struct thread_with_stdio *thr = arg;
 
-	thr->fn(thr);
+	thr->ops->fn(thr);
 
 	thread_with_stdio_done(thr);
 	return 0;
 }
 
 int run_thread_with_stdio(struct thread_with_stdio *thr,
-			  void (*exit)(struct thread_with_stdio *),
-			  void (*fn)(struct thread_with_stdio *))
+			  const struct thread_with_stdio_ops *ops)
 {
 	stdio_buf_init(&thr->stdio.input);
 	stdio_buf_init(&thr->stdio.output);
-	thr->exit	= exit;
-	thr->fn		= fn;
+	thr->ops = ops;
 
 	return run_thread_with_file(&thr->thr, &thread_with_stdio_fops, thread_with_stdio_fn);
 }
 EXPORT_SYMBOL_GPL(run_thread_with_stdio);
 
 int run_thread_with_stdout(struct thread_with_stdio *thr,
-			  void (*exit)(struct thread_with_stdio *),
-			  void (*fn)(struct thread_with_stdio *))
+			   const struct thread_with_stdio_ops *ops)
 {
 	stdio_buf_init(&thr->stdio.input);
 	stdio_buf_init(&thr->stdio.output);
-	thr->exit	= exit;
-	thr->fn		= fn;
+	thr->ops = ops;
 
 	return run_thread_with_file(&thr->thr, &thread_with_stdout_fops, thread_with_stdio_fn);
 }