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make nameidata completely opaque outside of fs/namei.c
[cascardo/linux.git]
/
fs
/
namei.c
diff --git
a/fs/namei.c
b/fs/namei.c
index
db5fe86
..
398a73b
100644
(file)
--- a/
fs/namei.c
+++ b/
fs/namei.c
@@
-487,6
+487,18
@@
void path_put(const struct path *path)
}
EXPORT_SYMBOL(path_put);
}
EXPORT_SYMBOL(path_put);
+struct nameidata {
+ struct path path;
+ struct qstr last;
+ struct path root;
+ struct inode *inode; /* path.dentry.d_inode */
+ unsigned int flags;
+ unsigned seq, m_seq;
+ int last_type;
+ unsigned depth;
+ char *saved_names[MAX_NESTED_LINKS + 1];
+};
+
/*
* Path walking has 2 modes, rcu-walk and ref-walk (see
* Documentation/filesystems/path-lookup.txt). In situations when we can't
/*
* Path walking has 2 modes, rcu-walk and ref-walk (see
* Documentation/filesystems/path-lookup.txt). In situations when we can't
@@
-695,6
+707,18
@@
void nd_jump_link(struct nameidata *nd, struct path *path)
nd->flags |= LOOKUP_JUMPED;
}
nd->flags |= LOOKUP_JUMPED;
}
+void nd_set_link(struct nameidata *nd, char *path)
+{
+ nd->saved_names[nd->depth] = path;
+}
+EXPORT_SYMBOL(nd_set_link);
+
+char *nd_get_link(struct nameidata *nd)
+{
+ return nd->saved_names[nd->depth];
+}
+EXPORT_SYMBOL(nd_get_link);
+
static inline void put_link(struct nameidata *nd, struct path *link, void *cookie)
{
struct inode *inode = link->dentry->d_inode;
static inline void put_link(struct nameidata *nd, struct path *link, void *cookie)
{
struct inode *inode = link->dentry->d_inode;