[PATCH 15/19] netfs: Split some core bits out into their own file

[David Howells <dhowells@xxxxxxxxxx>]

Split some core bits out into their own file.  More bits will be added to
this file later.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: linux-cachefs@xxxxxxxxxx
---

 fs/netfs/Makefile      |    1 +
 fs/netfs/internal.h    |    7 +++++--
 fs/netfs/main.c        |   20 ++++++++++++++++++++
 fs/netfs/read_helper.c |   10 ----------
 4 files changed, 26 insertions(+), 12 deletions(-)
 create mode 100644 fs/netfs/main.c

diff --git a/fs/netfs/Makefile b/fs/netfs/Makefile
index 0466159b8222..029657b6db63 100644
--- a/fs/netfs/Makefile
+++ b/fs/netfs/Makefile
@@ -2,6 +2,7 @@
 
 netfs-y := \
 	buffered_read.o \
+	main.o \
 	objects.o \
 	read_helper.o
 
diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h
index 7d8e83deaf81..f9dd64521fe6 100644
--- a/fs/netfs/internal.h
+++ b/fs/netfs/internal.h
@@ -20,6 +20,11 @@
  */
 void netfs_rreq_unlock_folios(struct netfs_io_request *rreq);
 
+/*
+ * main.c
+ */
+extern unsigned int netfs_debug;
+
 /*
  * objects.c
  */
@@ -42,8 +47,6 @@ static inline void netfs_see_request(struct netfs_io_request *rreq,
 /*
  * read_helper.c
  */
-extern unsigned int netfs_debug;
-
 int netfs_begin_read(struct netfs_io_request *rreq, bool sync);
 
 /*
diff --git a/fs/netfs/main.c b/fs/netfs/main.c
new file mode 100644
index 000000000000..068568702957
--- /dev/null
+++ b/fs/netfs/main.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Miscellaneous bits for the netfs support library.
+ *
+ * Copyright (C) 2022 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ */
+
+#include <linux/module.h>
+#include <linux/export.h>
+#include "internal.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/netfs.h>
+
+MODULE_DESCRIPTION("Network fs support");
+MODULE_AUTHOR("Red Hat, Inc.");
+MODULE_LICENSE("GPL");
+
+unsigned netfs_debug;
+module_param_named(debug, netfs_debug, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(netfs_debug, "Netfs support debugging mask");
diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c
index 78843820d9f1..3db9356eb7c2 100644
--- a/fs/netfs/read_helper.c
+++ b/fs/netfs/read_helper.c
@@ -15,16 +15,6 @@
 #include <linux/sched/mm.h>
 #include <linux/task_io_accounting_ops.h>
 #include "internal.h"
-#define CREATE_TRACE_POINTS
-#include <trace/events/netfs.h>
-
-MODULE_DESCRIPTION("Network fs support");
-MODULE_AUTHOR("Red Hat, Inc.");
-MODULE_LICENSE("GPL");
-
-unsigned netfs_debug;
-module_param_named(debug, netfs_debug, uint, S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(netfs_debug, "Netfs support debugging mask");
 
 /*
  * Clear the unread part of an I/O request.