lookup_one_len — filesystem helper to lookup single pathname component
struct dentry * lookup_one_len ( | const char * name, |
| struct dentry * base, | |
int len); |
namepathname component to lookup
basebase directory to lookup from
len
maximum length len should be interpreted to
Note that this routine is purely a helper for filesystem usage and should not be called by generic code. Also note that by using this function the nameidata argument is passed to the filesystem methods and a filesystem using this helper needs to be prepared for that.
The caller must hold base->i_mutex.