HelenOS sources

ENOTDIR           571 uspace/lib/ext4/src/directory.c 		return ENOTDIR;
ENOTDIR           225 uspace/lib/ext4/src/ops.c 		return ENOTDIR;
ENOTDIR           576 uspace/lib/fs/libfs.c 			async_answer_0(req, ENOTDIR);
ENOTDIR           633 uspace/lib/fs/libfs.c 		async_answer_0(req, ENOTDIR);
ENOTDIR           494 uspace/srv/fs/mfs/mfs_ops.c 		return ENOTDIR;
ENOTDIR           247 uspace/srv/vfs/vfs_ops.c 			rc = ENOTDIR;