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fsnotify(): constify 'data'

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2016-11-20 20:21:17 -05:00
parent 3cd5eca8d7
commit e637835ecc
2 changed files with 5 additions and 5 deletions
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6
fs/notify/fsnotify.c
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@@ -125,7 +125,7 @@ EXPORT_SYMBOL_GPL(__fsnotify_parent);
static int send_to_group(struct inode *to_tell, static int send_to_group(struct inode *to_tell,
struct fsnotify_mark *inode_mark, struct fsnotify_mark *inode_mark,
struct fsnotify_mark *vfsmount_mark, struct fsnotify_mark *vfsmount_mark,
__u32 mask, void *data, __u32 mask, const void *data,
int data_is, u32 cookie, int data_is, u32 cookie,
const unsigned char *file_name) const unsigned char *file_name)
{ {
@@ -187,7 +187,7 @@ static int send_to_group(struct inode *to_tell,
* out to all of the registered fsnotify_group. Those groups can then use the * out to all of the registered fsnotify_group. Those groups can then use the
* notification event in whatever means they feel necessary. * notification event in whatever means they feel necessary.
*/ */
int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, int fsnotify(struct inode *to_tell, __u32 mask, const void *data, int data_is,
const unsigned char *file_name, u32 cookie) const unsigned char *file_name, u32 cookie)
{ {
struct hlist_node *inode_node = NULL, *vfsmount_node = NULL; struct hlist_node *inode_node = NULL, *vfsmount_node = NULL;
@@ -199,7 +199,7 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is,
__u32 test_mask = (mask & ~FS_EVENT_ON_CHILD); __u32 test_mask = (mask & ~FS_EVENT_ON_CHILD);
if (data_is == FSNOTIFY_EVENT_PATH) if (data_is == FSNOTIFY_EVENT_PATH)
mnt = real_mount(((struct path *)data)->mnt); mnt = real_mount(((const struct path *)data)->mnt);
else else
mnt = NULL; mnt = NULL;

4
include/linux/fsnotify_backend.h
View File

@@ -245,7 +245,7 @@ struct fsnotify_mark {
/* called from the vfs helpers */ /* called from the vfs helpers */
/* main fsnotify call to send events */ /* main fsnotify call to send events */
extern int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, extern int fsnotify(struct inode *to_tell, __u32 mask, const void *data, int data_is,
const unsigned char *name, u32 cookie); const unsigned char *name, u32 cookie);
extern int __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask); extern int __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask);
extern void __fsnotify_inode_delete(struct inode *inode); extern void __fsnotify_inode_delete(struct inode *inode);
@@ -357,7 +357,7 @@ extern void fsnotify_init_event(struct fsnotify_event *event,
#else #else
static inline int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, static inline int fsnotify(struct inode *to_tell, __u32 mask, const void *data, int data_is,
const unsigned char *name, u32 cookie) const unsigned char *name, u32 cookie)
{ {
return 0; return 0;