diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 1 | ||||
| -rw-r--r-- | include/linux/namei.h | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 88337ed4f4f2..3ba1ac6cbb37 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -902,6 +902,7 @@ struct inode_operations { struct inode *, struct dentry *); int (*readlink) (struct dentry *, char __user *,int); int (*follow_link) (struct dentry *, struct nameidata *); + void (*put_link) (struct dentry *, struct nameidata *); void (*truncate) (struct inode *); int (*permission) (struct inode *, int, struct nameidata *); int (*setattr) (struct dentry *, struct iattr *); diff --git a/include/linux/namei.h b/include/linux/namei.h index 4117cd90a345..adcafdec8ee7 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -10,12 +10,16 @@ struct open_intent { int create_mode; }; +enum { MAX_NESTED_LINKS = 5 }; + struct nameidata { struct dentry *dentry; struct vfsmount *mnt; struct qstr last; unsigned int flags; int last_type; + unsigned depth; + char *saved_names[MAX_NESTED_LINKS + 1]; /* Intent data */ union { @@ -67,4 +71,14 @@ extern int follow_up(struct vfsmount **, struct dentry **); 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]; +} + #endif /* _LINUX_NAMEI_H */ |