constify get_dcookie() and friends

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-11-20 19:30:18 -05:00
parent 8bd107633b
commit 71215a75ce
4 changed files with 6 additions and 6 deletions

View File

@ -295,7 +295,7 @@ out:
* dcookie user still being registered (namely, the reader
* of the event buffer).
*/
static inline unsigned long fast_get_dcookie(struct path *path)
static inline unsigned long fast_get_dcookie(const struct path *path)
{
unsigned long cookie;

View File

@ -206,7 +206,7 @@ void sync_stop(void)
* because we cannot reach this code without at least one
* dcookie user still being registered (namely, the reader
* of the event buffer). */
static inline unsigned long fast_get_dcookie(struct path *path)
static inline unsigned long fast_get_dcookie(const struct path *path)
{
unsigned long cookie;

View File

@ -90,7 +90,7 @@ static void hash_dcookie(struct dcookie_struct * dcs)
}
static struct dcookie_struct *alloc_dcookie(struct path *path)
static struct dcookie_struct *alloc_dcookie(const struct path *path)
{
struct dcookie_struct *dcs = kmem_cache_alloc(dcookie_cache,
GFP_KERNEL);
@ -113,7 +113,7 @@ static struct dcookie_struct *alloc_dcookie(struct path *path)
/* This is the main kernel-side routine that retrieves the cookie
* value for a dentry/vfsmnt pair.
*/
int get_dcookie(struct path *path, unsigned long *cookie)
int get_dcookie(const struct path *path, unsigned long *cookie)
{
int err = 0;
struct dcookie_struct * dcs;

View File

@ -44,7 +44,7 @@ void dcookie_unregister(struct dcookie_user * user);
*
* Returns 0 on success, with *cookie filled in
*/
int get_dcookie(struct path *path, unsigned long *cookie);
int get_dcookie(const struct path *path, unsigned long *cookie);
#else
@ -58,7 +58,7 @@ static inline void dcookie_unregister(struct dcookie_user * user)
return;
}
static inline int get_dcookie(struct path *path, unsigned long *cookie)
static inline int get_dcookie(const struct path *path, unsigned long *cookie)
{
return -ENOSYS;
}