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authorAl Viro <viro@zeniv.linux.org.uk>2016-11-21 04:21:17 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2016-12-06 02:58:31 +0300
commite637835eccc8b93f39ca869628f9a0437bba744e (patch)
treeffc9d10d510355ef320737df6345b0db8e916e6f
parent3cd5eca8d7a2fe43098df4c33a1272fe6945cac9 (diff)
downloadlinux-e637835eccc8b93f39ca869628f9a0437bba744e.tar.xz
fsnotify(): constify 'data'
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/notify/fsnotify.c6
-rw-r--r--include/linux/fsnotify_backend.h4
2 files changed, 5 insertions, 5 deletions
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index db39de2dd4cb..7788a79eedf7 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -125,7 +125,7 @@ EXPORT_SYMBOL_GPL(__fsnotify_parent);
static int send_to_group(struct inode *to_tell,
struct fsnotify_mark *inode_mark,
struct fsnotify_mark *vfsmount_mark,
- __u32 mask, void *data,
+ __u32 mask, const void *data,
int data_is, u32 cookie,
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
* 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)
{
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);
if (data_is == FSNOTIFY_EVENT_PATH)
- mnt = real_mount(((struct path *)data)->mnt);
+ mnt = real_mount(((const struct path *)data)->mnt);
else
mnt = NULL;
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index d357041bbec8..e6ea6757a275 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -245,7 +245,7 @@ struct fsnotify_mark {
/* called from the vfs helpers */
/* 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);
extern int __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask);
extern void __fsnotify_inode_delete(struct inode *inode);
@@ -357,7 +357,7 @@ extern void fsnotify_init_event(struct fsnotify_event *event,
#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)
{
return 0;