linux-kernel - [PATCH v2 17/19] netfs: Split some core bits out into their own file

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Message-ID: <164678218407.1200972.1731208226140990280.stgit@warthog.procyon.org.uk>
Date:   Tue, 08 Mar 2022 23:29:44 +0000
From:   David Howells <dhowells@...hat.com>
To:     linux-cachefs@...hat.com
Cc:     dhowells@...hat.com, Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Jeff Layton <jlayton@...hat.com>,
        David Wysochanski <dwysocha@...hat.com>,
        Ilya Dryomov <idryomov@...il.com>,
        Jeffle Xu <jefflexu@...ux.alibaba.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-afs@...ts.infradead.org, linux-nfs@...r.kernel.org,
        linux-cifs@...r.kernel.org, ceph-devel@...r.kernel.org,
        v9fs-developer@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 17/19] netfs: Split some core bits out into their own file

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

Signed-off-by: David Howells <dhowells@...hat.com>
cc: linux-cachefs@...hat.com

Link: https://lore.kernel.org/r/164623006934.3564931.17932680017894039748.stgit@warthog.procyon.org.uk/ # v1
---

 fs/netfs/Makefile   |    1 +
 fs/netfs/internal.h |    7 +++++--
 fs/netfs/io.c       |   10 ----------
 fs/netfs/main.c     |   20 ++++++++++++++++++++
 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 88b904532bc7..f684c0cd1ec5 100644
--- a/fs/netfs/Makefile
+++ b/fs/netfs/Makefile
@@ -3,6 +3,7 @@
 netfs-y := \
 	buffered_read.o \
 	io.o \
+	main.o \
 	objects.o
 
 netfs-$(CONFIG_NETFS_STATS) += stats.o
diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h
index 1cd2778bfa7d..622b421d4753 100644
--- a/fs/netfs/internal.h
+++ b/fs/netfs/internal.h
@@ -23,10 +23,13 @@ void netfs_rreq_unlock_folios(struct netfs_io_request *rreq);
 /*
  * io.c
  */
-extern unsigned int netfs_debug;
-
 int netfs_begin_read(struct netfs_io_request *rreq, bool sync);
 
+/*
+ * main.c
+ */
+extern unsigned int netfs_debug;
+
 /*
  * objects.c
  */
diff --git a/fs/netfs/io.c b/fs/netfs/io.c
index 1fe9706c58a5..4a3b7989cd1c 100644
--- a/fs/netfs/io.c
+++ b/fs/netfs/io.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.
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@...hat.com)
+ */
+
+#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");