[PATCH 4/9] Extract option parsing to new function

[sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org]

From c4e1a348c2424ce503c24c8a56fa91015d9ee194 Mon Sep 17 00:00:00 2001
From: Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Subject: [PATCH 4/9] Extract option parsing to new function

Move code to parse mount options into a separate function so it can
(later) be shared between mount and remount operations.

Signed-off-by: Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Acked-by: Serge Hallyn <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
---
 fs/devpts/inode.c |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index e91c15c..7ae60aa 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -72,11 +72,9 @@ static inline struct super_block *pts_sb_from_inode(struct inode *inode)
 	return devpts_mnt->mnt_sb;
 }
 
-static int devpts_remount(struct super_block *sb, int *flags, char *data)
+static int parse_mount_options(char *data, struct pts_mount_opts *opts)
 {
 	char *p;
-	struct pts_fs_info *fsi = DEVPTS_SB(sb);
-	struct pts_mount_opts *opts = &fsi->mount_opts;
 
 	opts->setuid  = 0;
 	opts->setgid  = 0;
@@ -120,6 +118,14 @@ static int devpts_remount(struct super_block *sb, int *flags, char *data)
 	return 0;
 }
 
+static int devpts_remount(struct super_block *sb, int *flags, char *data)
+{
+	struct pts_fs_info *fsi = DEVPTS_SB(sb);
+	struct pts_mount_opts *opts = &fsi->mount_opts;
+
+	return parse_mount_options(data, opts);
+}
+
 static int devpts_show_options(struct seq_file *seq, struct vfsmount *vfs)
 {
 	struct pts_fs_info *fsi = DEVPTS_SB(vfs->mnt_sb);
-- 
1.5.2.5