fs: make struct dentry->d_op const

This change will allow for tagging many dentry_operations const in the
source tree.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index c66d22487bf8c53e7dfb0ee6c34b8cbe726cae56..15156364d196a64103f27b5700756f51882a5eab 100644 (file)
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -112,7 +112,7 @@ struct dentry {
        struct list_head d_subdirs;     /* our children */
        struct list_head d_alias;       /* inode alias list */
        unsigned long d_time;           /* used by d_revalidate */
-       struct dentry_operations *d_op;
+       const struct dentry_operations *d_op;
        struct super_block *d_sb;       /* The root of the dentry tree */
        void *d_fsdata;                 /* fs-specific data */