netdev - [RFC PATCH 01/11] sysctl: make some functions unstatic to access by arch/lib

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Message-Id: <1427202642-1716-2-git-send-email-tazaki@sfc.wide.ad.jp>
Date:	Tue, 24 Mar 2015 22:10:32 +0900
From:	Hajime Tazaki <tazaki@....wide.ad.jp>
To:	linux-arch@...r.kernel.org
Cc:	Hajime Tazaki <tazaki@....wide.ad.jp>,
	Arnd Bergmann <arnd@...db.de>,
	Jonathan Corbet <corbet@....net>,
	Jhristoph Lameter <cl@...ux.com>,
	Jekka Enberg <penberg@...nel.org>,
	Javid Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Jndrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	netdev@...r.kernel.org, linux-mm@...ck.org,
	Jeff Dike <jdike@...toit.com>,
	Richard Weinberger <richard@....at>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Mathieu Lacage <mathieu.lacage@...il.com>
Subject: [RFC PATCH 01/11] sysctl: make some functions unstatic to access by arch/lib

libos (arch/lib) emulates a sysctl-like interface by a function call of
userspace by enumerating sysctl tree from sysctl_table_root. It requires
to be publicly accessible to this symbol and related functions.

Signed-off-by: Hajime Tazaki <tazaki@....wide.ad.jp>
---
 fs/proc/proc_sysctl.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index f92d5dd..e3de095 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -35,7 +35,7 @@ static struct ctl_table root_table[] = {
 	},
 	{ }
 };
-static struct ctl_table_root sysctl_table_root = {
+struct ctl_table_root sysctl_table_root = {
 	.default_set.dir.header = {
 		{{.count = 1,
 		  .nreg = 1,
@@ -61,7 +61,7 @@ static void sysctl_print_dir(struct ctl_dir *dir)
 	pr_cont("%s/", dir->header.ctl_table[0].procname);
 }
 
-static int namecmp(const char *name1, int len1, const char *name2, int len2)
+int namecmp(const char *name1, int len1, const char *name2, int len2)
 {
 	int minlen;
 	int cmp;
@@ -77,7 +77,7 @@ static int namecmp(const char *name1, int len1, const char *name2, int len2)
 }
 
 /* Called under sysctl_lock */
-static struct ctl_table *find_entry(struct ctl_table_header **phead,
+struct ctl_table *find_entry(struct ctl_table_header **phead,
 	struct ctl_dir *dir, const char *name, int namelen)
 {
 	struct ctl_table_header *head;
@@ -309,7 +309,7 @@ static struct ctl_table *lookup_entry(struct ctl_table_header **phead,
 	return entry;
 }
 
-static struct ctl_node *first_usable_entry(struct rb_node *node)
+struct ctl_node *first_usable_entry(struct rb_node *node)
 {
 	struct ctl_node *ctl_node;
 
@@ -321,7 +321,7 @@ static struct ctl_node *first_usable_entry(struct rb_node *node)
 	return NULL;
 }
 
-static void first_entry(struct ctl_dir *dir,
+void first_entry(struct ctl_dir *dir,
 	struct ctl_table_header **phead, struct ctl_table **pentry)
 {
 	struct ctl_table_header *head = NULL;
@@ -339,7 +339,7 @@ static void first_entry(struct ctl_dir *dir,
 	*pentry = entry;
 }
 
-static void next_entry(struct ctl_table_header **phead, struct ctl_table **pentry)
+void next_entry(struct ctl_table_header **phead, struct ctl_table **pentry)
 {
 	struct ctl_table_header *head = *phead;
 	struct ctl_table *entry = *pentry;
@@ -822,7 +822,7 @@ static const struct dentry_operations proc_sys_dentry_operations = {
 	.d_compare	= proc_sys_compare,
 };
 
-static struct ctl_dir *find_subdir(struct ctl_dir *dir,
+struct ctl_dir *find_subdir(struct ctl_dir *dir,
 				   const char *name, int namelen)
 {
 	struct ctl_table_header *head;
@@ -924,7 +924,7 @@ failed:
 	return subdir;
 }
 
-static struct ctl_dir *xlate_dir(struct ctl_table_set *set, struct ctl_dir *dir)
+struct ctl_dir *xlate_dir(struct ctl_table_set *set, struct ctl_dir *dir)
 {
 	struct ctl_dir *parent;
 	const char *procname;
-- 
2.1.0

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