linux-kernel - [PATCH 25/31] proc: move /proc/diskstats boilerplate to block/genhd.c

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Date:	Fri, 17 Oct 2008 16:51:47 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	jens.axboe@...cle.com
Subject: [PATCH 25/31] proc: move /proc/diskstats boilerplate to
	block/genhd.c


>From 1c533e5be2858e5c494cd98dbcb4263d0803a1ae Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@...il.com>
Date: Mon, 6 Oct 2008 12:55:38 +0400
Subject: [PATCH 25/31] proc: move /proc/diskstats boilerplate to block/genhd.c

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---
 block/genhd.c         |   15 ++++++++++++++-
 fs/proc/proc_misc.c   |   16 ----------------
 include/linux/genhd.h |    2 --
 3 files changed, 14 insertions(+), 19 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index 7a7f823..4e8a737 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1006,15 +1006,28 @@ static int diskstats_show(struct seq_file *seqf, void *v)
 	return 0;
 }
 
-const struct seq_operations diskstats_op = {
+static const struct seq_operations diskstats_op = {
 	.start	= disk_seqf_start,
 	.next	= disk_seqf_next,
 	.stop	= disk_seqf_stop,
 	.show	= diskstats_show
 };
 
+static int diskstats_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &diskstats_op);
+}
+
+static const struct file_operations proc_diskstats_operations = {
+	.open		= diskstats_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 static int __init proc_genhd_init(void)
 {
+	proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
 	proc_create("partitions", 0, NULL, &proc_partitions_operations);
 	return 0;
 }
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 5ec0119..67b02ee 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -56,19 +56,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-#ifdef CONFIG_BLOCK
-static int diskstats_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &diskstats_op);
-}
-static const struct file_operations proc_diskstats_operations = {
-	.open		= diskstats_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-#endif
-
 #ifdef CONFIG_MODULES
 extern const struct seq_operations modules_op;
 static int modules_open(struct inode *inode, struct file *file)
@@ -221,9 +208,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_BLOCK
-	proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
-#endif
 #ifdef CONFIG_MODULES
 	proc_create("modules", 0, NULL, &proc_modules_operations);
 #endif
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 074a4fd..e439e6a 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -25,8 +25,6 @@ extern struct device_type part_type;
 extern struct kobject *block_depr;
 extern struct class block_class;
 
-extern const struct seq_operations diskstats_op;
-
 enum {
 /* These three have identical behaviour; use the second one if DOS FDISK gets
    confused about extended/logical partitions starting past cylinder 1023. */
-- 
1.5.6.5

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