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constify seq_file stuff

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
master
Al Viro 10 years ago
parent
commit
8c9379e972
  1. 10
      fs/seq_file.c
  2. 10
      include/linux/seq_file.h

10
fs/seq_file.c

@ -397,7 +397,7 @@ EXPORT_SYMBOL(seq_printf);
* 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 @@ EXPORT_SYMBOL(mangle_path);
* 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 @@ EXPORT_SYMBOL(seq_path);
/*
* 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 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root,
/*
* 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);

10
include/linux/seq_file.h

@ -74,7 +74,7 @@ static inline void seq_commit(struct seq_file *m, int num)
}
}
char *mangle_path(char *s, char *p, char *esc);
char *mangle_path(char *s, const char *p, const char *esc);
int seq_open(struct file *, const struct seq_operations *);
ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
loff_t seq_lseek(struct file *, loff_t, int);
@ -86,10 +86,10 @@ int seq_write(struct seq_file *seq, const void *data, size_t len);
__printf(2, 3) int seq_printf(struct seq_file *, const char *, ...);
int seq_path(struct seq_file *, struct path *, char *);
int seq_dentry(struct seq_file *, struct dentry *, char *);
int seq_path_root(struct seq_file *m, struct path *path, struct path *root,
char *esc);
int seq_path(struct seq_file *, const struct path *, const char *);
int seq_dentry(struct seq_file *, struct dentry *, const char *);
int seq_path_root(struct seq_file *m, const struct path *path,
const struct path *root, const char *esc);
int seq_bitmap(struct seq_file *m, const unsigned long *bits,
unsigned int nr_bits);
static inline int seq_cpumask(struct seq_file *m, const struct cpumask *mask)

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