constify seq_file stuff
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/seq_file.c b/fs/seq_file.c
index dba43c3..4023d6b 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -397,7 +397,7 @@
* Returns pointer past last written character in @s, or NULL in case of
* failure.
*/
-char *mangle_path(char *s, char *p, char *esc)
+char *mangle_path(char *s, const char *p, const char *esc)
{
while (s <= p) {
char c = *p++;
@@ -427,7 +427,7 @@
* return the absolute path of 'path', as represented by the
* dentry / mnt pair in the path parameter.
*/
-int seq_path(struct seq_file *m, struct path *path, char *esc)
+int seq_path(struct seq_file *m, const struct path *path, const char *esc)
{
char *buf;
size_t size = seq_get_buf(m, &buf);
@@ -450,8 +450,8 @@
/*
* Same as seq_path, but relative to supplied root.
*/
-int seq_path_root(struct seq_file *m, struct path *path, struct path *root,
- char *esc)
+int seq_path_root(struct seq_file *m, const struct path *path,
+ const struct path *root, const char *esc)
{
char *buf;
size_t size = seq_get_buf(m, &buf);
@@ -480,7 +480,7 @@
/*
* returns the path of the 'dentry' from the root of its filesystem.
*/
-int seq_dentry(struct seq_file *m, struct dentry *dentry, char *esc)
+int seq_dentry(struct seq_file *m, struct dentry *dentry, const char *esc)
{
char *buf;
size_t size = seq_get_buf(m, &buf);