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make nameidata completely opaque outside of fs/namei.c

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-11-01 19:30:41 -04:00
parent 707c5960f1
commit 1f55a6ec94
2 changed files with 27 additions and 22 deletions
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25
include/linux/namei.h
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@ -7,21 +7,10 @@
#include <linux/path.h>
struct vfsmount;
struct nameidata;
enum { MAX_NESTED_LINKS = 8 };
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];
};
/*
* Type of the last component on LOOKUP_PARENT
*/
@ -82,16 +71,8 @@ extern struct dentry *lock_rename(struct dentry *, struct dentry *);
extern void unlock_rename(struct dentry *, struct dentry *);
extern void nd_jump_link(struct nameidata *nd, struct path *path);
static inline void nd_set_link(struct nameidata *nd, char *path)
{
nd->saved_names[nd->depth] = path;
}
static inline char *nd_get_link(struct nameidata *nd)
{
return nd->saved_names[nd->depth];
}
extern void nd_set_link(struct nameidata *nd, char *path);
extern char *nd_get_link(struct nameidata *nd);
static inline void nd_terminate_link(void *name, size_t len, size_t maxlen)
{