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authorAl Viro <viro@zeniv.linux.org.uk>2014-11-01 19:30:41 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-12-10 21:32:13 -0500
commit1f55a6ec940fb45e3edaa52b6e9fc40cf8e18dcb (patch)
tree67cd7ee3eb2546116d1a322b4bbaf7b6f82a80f5 /include/linux
parent707c5960f102f8cdafb9406047b158abc71b391f (diff)
make nameidata completely opaque outside of fs/namei.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/namei.h25
1 files changed, 3 insertions, 22 deletions
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 492de72560fa..c8990779f0c3 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -7,21 +7,10 @@
7#include <linux/path.h> 7#include <linux/path.h>
8 8
9struct vfsmount; 9struct vfsmount;
10struct nameidata;
10 11
11enum { MAX_NESTED_LINKS = 8 }; 12enum { MAX_NESTED_LINKS = 8 };
12 13
13struct nameidata {
14 struct path path;
15 struct qstr last;
16 struct path root;
17 struct inode *inode; /* path.dentry.d_inode */
18 unsigned int flags;
19 unsigned seq, m_seq;
20 int last_type;
21 unsigned depth;
22 char *saved_names[MAX_NESTED_LINKS + 1];
23};
24
25/* 14/*
26 * Type of the last component on LOOKUP_PARENT 15 * Type of the last component on LOOKUP_PARENT
27 */ 16 */
@@ -82,16 +71,8 @@ extern struct dentry *lock_rename(struct dentry *, struct dentry *);
82extern void unlock_rename(struct dentry *, struct dentry *); 71extern void unlock_rename(struct dentry *, struct dentry *);
83 72
84extern void nd_jump_link(struct nameidata *nd, struct path *path); 73extern void nd_jump_link(struct nameidata *nd, struct path *path);
85 74extern void nd_set_link(struct nameidata *nd, char *path);
86static inline void nd_set_link(struct nameidata *nd, char *path) 75extern char *nd_get_link(struct nameidata *nd);
87{
88 nd->saved_names[nd->depth] = path;
89}
90
91static inline char *nd_get_link(struct nameidata *nd)
92{
93 return nd->saved_names[nd->depth];
94}
95 76
96static inline void nd_terminate_link(void *name, size_t len, size_t maxlen) 77static inline void nd_terminate_link(void *name, size_t len, size_t maxlen)
97{ 78{