diff options
Diffstat (limited to 'include/linux/fscrypt.h')
| -rw-r--r-- | include/linux/fscrypt.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h index d23156d1ac94..2ea1387bb497 100644 --- a/include/linux/fscrypt.h +++ b/include/linux/fscrypt.h @@ -757,8 +757,11 @@ static inline int fscrypt_prepare_rename(struct inode *old_dir, * key is available, then the lookup is assumed to be by plaintext name; * otherwise, it is assumed to be by no-key name. * - * This also installs a custom ->d_revalidate() method which will invalidate the - * dentry if it was created without the key and the key is later added. + * This will set DCACHE_NOKEY_NAME on the dentry if the lookup is by no-key + * name. In this case the filesystem must assign the dentry a dentry_operations + * which contains fscrypt_d_revalidate (or contains a d_revalidate method that + * calls fscrypt_d_revalidate), so that the dentry will be invalidated if the + * directory's encryption key is later added. * * Return: 0 on success; -ENOENT if the directory's key is unavailable but the * filename isn't a valid no-key name, so a negative dentry should be created; |