diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/namei.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/namei.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/ANDROID_3.4.5/include/linux/namei.h b/ANDROID_3.4.5/include/linux/namei.h deleted file mode 100644 index ffc02135..00000000 --- a/ANDROID_3.4.5/include/linux/namei.h +++ /dev/null @@ -1,112 +0,0 @@ -#ifndef _LINUX_NAMEI_H -#define _LINUX_NAMEI_H - -#include <linux/dcache.h> -#include <linux/linkage.h> -#include <linux/path.h> - -struct vfsmount; - -struct open_intent { - int flags; - int create_mode; - struct file *file; -}; - -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; - int last_type; - unsigned depth; - char *saved_names[MAX_NESTED_LINKS + 1]; - - /* Intent data */ - union { - struct open_intent open; - } intent; -}; - -/* - * Type of the last component on LOOKUP_PARENT - */ -enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; - -/* - * The bitmask for a lookup event: - * - follow links at the end - * - require a directory - * - ending slashes ok even for nonexistent files - * - internal "there are more path components" flag - * - dentry cache is untrusted; force a real lookup - * - suppress terminal automount - */ -#define LOOKUP_FOLLOW 0x0001 -#define LOOKUP_DIRECTORY 0x0002 -#define LOOKUP_AUTOMOUNT 0x0004 - -#define LOOKUP_PARENT 0x0010 -#define LOOKUP_REVAL 0x0020 -#define LOOKUP_RCU 0x0040 - -/* - * Intent data - */ -#define LOOKUP_OPEN 0x0100 -#define LOOKUP_CREATE 0x0200 -#define LOOKUP_EXCL 0x0400 -#define LOOKUP_RENAME_TARGET 0x0800 - -#define LOOKUP_JUMPED 0x1000 -#define LOOKUP_ROOT 0x2000 -#define LOOKUP_EMPTY 0x4000 - -extern int user_path_at(int, const char __user *, unsigned, struct path *); -extern int user_path_at_empty(int, const char __user *, unsigned, struct path *, int *empty); - -#define user_path(name, path) user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW, path) -#define user_lpath(name, path) user_path_at(AT_FDCWD, name, 0, path) -#define user_path_dir(name, path) \ - user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, path) - -extern int kern_path(const char *, unsigned, struct path *); - -extern struct dentry *kern_path_create(int, const char *, struct path *, int); -extern struct dentry *user_path_create(int, const char __user *, struct path *, int); -extern int kern_path_parent(const char *, struct nameidata *); -extern int vfs_path_lookup(struct dentry *, struct vfsmount *, - const char *, unsigned int, struct path *); - -extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry, - int (*open)(struct inode *, struct file *)); - -extern struct dentry *lookup_one_len(const char *, struct dentry *, int); - -extern int follow_down_one(struct path *); -extern int follow_down(struct path *); -extern int follow_up(struct path *); - -extern struct dentry *lock_rename(struct dentry *, struct dentry *); -extern void unlock_rename(struct dentry *, struct dentry *); - -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]; -} - -static inline void nd_terminate_link(void *name, size_t len, size_t maxlen) -{ - ((char *) name)[min(len, maxlen)] = '\0'; -} - -#endif /* _LINUX_NAMEI_H */ |