[readdir] constify ->actor

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 237af62976a6..7c30e3a62baf 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1507,7 +1507,7 @@ int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
  */
 typedef int (*filldir_t)(void *, const char *, int, loff_t, u64, unsigned);
 struct dir_context {
-        filldir_t actor;
+        const filldir_t actor;
         loff_t pos;
 };