f2fs: don't allow to get pino when filename is encrypted

After renaming an encrypted file, we have no way to get its
encrypted filename from its dentry.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6d120a5..3212dfa 100644 (file)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -110,6 +110,9 @@ static int get_parent_ino(struct inode *inode, nid_t *pino)
 {
        struct dentry *dentry;
 
+       if (file_enc_name(inode))
+               return 0;
+
        inode = igrab(inode);
        dentry = d_find_any_alias(inode);
        iput(inode);